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CVE-2026-100865 (GCVE-0-2026-100865)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.53 Multiple RCE and Authentication Bypass Vulnerabilities

Summary

Heym before 0.0.53 contains multiple independent vulnerabilities. (1) The workflow condition evaluator uses Python eval() without an effective sandbox, allowing any user who can edit a workflow branch/condition node — or who can import a workflow template containing a malicious condition node — to execute arbitrary Python code as the backend process user when the workflow runs. (2) Slack webhook signature verification and (3) Telegram webhook secret-token verification fail open when the trigger node has no credentialId or an empty signing secret, allowing anyone who knows the public webhook URL to trigger workflows with the owner's credentials without authentication. (4) The OAuth authorization endpoint does not validate the redirect_uri scheme, so an attacker who registers a public OAuth client with a javascript: or data: redirect_uri and lures a victim to the consent screen receives the authorization code and executes attacker-controlled JavaScript in the Heym origin, including access to the victim's HttpOnly auth cookie. (5) WorkflowExecutionToken, PortalSession, HITLRequest.public_token, and OAuthAuthorizationCode values are stored in plaintext, so any database read exposure yields valid scoped bearer tokens, including portal and HITL tokens with a 168-hour TTL that permit workflow execution on behalf of the owner.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.53 (semver) Unaffected: 0.0.53 (semver)

Date Public

2026-06-26 00:00

Credits

okcomputerfan mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
            {
              "lessThan": "0.0.53",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.0.53",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "okcomputerfan"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "mbakgun"
        }
      ],
      "datePublic": "2026-06-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Heym before 0.0.53 contains multiple independent vulnerabilities. (1) The workflow condition evaluator uses Python eval() without an effective sandbox, allowing any user who can edit a workflow branch/condition node \u2014 or who can import a workflow template containing a malicious condition node \u2014 to execute arbitrary Python code as the backend process user when the workflow runs. (2) Slack webhook signature verification and (3) Telegram webhook secret-token verification fail open when the trigger node has no credentialId or an empty signing secret, allowing anyone who knows the public webhook URL to trigger workflows with the owner\u0027s credentials without authentication. (4) The OAuth authorization endpoint does not validate the redirect_uri scheme, so an attacker who registers a public OAuth client with a javascript: or data: redirect_uri and lures a victim to the consent screen receives the authorization code and executes attacker-controlled JavaScript in the Heym origin, including access to the victim\u0027s HttpOnly auth cookie. (5) WorkflowExecutionToken, PortalSession, HITLRequest.public_token, and OAuthAuthorizationCode values are stored in plaintext, so any database read exposure yields valid scoped bearer tokens, including portal and HITL tokens with a 168-hour TTL that permit workflow execution on behalf of the owner."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-27T01:28:53.874Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-pm6h-x3h5-j38h)",
          "tags": [
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          ],
          "url": "https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h"
        },
        {
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          "tags": [
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    "cveId": "CVE-2026-100865",
    "datePublished": "2026-09-27T01:28:53.874Z",
    "dateReserved": "2026-09-27T00:20:54.407Z",
    "dateUpdated": "2026-09-27T01:28:53.874Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

CVE-2026-100864 (GCVE-0-2026-100864)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.91 Remote Code Execution via Expression Engine

Summary

heym before 0.0.91 contains a sandbox escape vulnerability in the expression engine's DotList map/filter and fallback resolver that allows authenticated users to execute arbitrary Python code. Attackers can craft workflow expressions using dunder attribute access through item expressions or the fallback resolver to access os.system and execute commands as the backend process.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Credits

mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
            {
              "lessThan": "0.0.91",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.0.91",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "mbakgun"
        }
      ],
      "datePublic": "2026-08-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "heym before 0.0.91 contains a sandbox escape vulnerability in the expression engine\u0027s DotList map/filter and fallback resolver that allows authenticated users to execute arbitrary Python code. Attackers can craft workflow expressions using dunder attribute access through item expressions or the fallback resolver to access os.system and execute commands as the backend process."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-27T01:28:53.237Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-87x2-9jwx-7gh4)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/heymrun/heym/security/advisories/GHSA-87x2-9jwx-7gh4"
        },
        {
          "name": "VulnCheck Advisory: heym before 0.0.91 Remote Code Execution via Expression Engine",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/heym-before-0.0.91-remote-code-execution-via-expression-engine"
        }
      ],
      "title": "heym before 0.0.91 Remote Code Execution via Expression Engine",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-100864",
    "datePublished": "2026-09-27T01:28:53.237Z",
    "dateReserved": "2026-09-27T00:20:54.407Z",
    "dateUpdated": "2026-09-27T01:28:53.237Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-100863 (GCVE-0-2026-100863)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.91 SSRF via image fetching and IPv6 validation

Summary

Heym versions 0.0.90 and earlier contain two server-side request forgery (SSRF) egress gaps, both remediated in app/services/ssrf_guard.py in 0.0.91. First, the LLM image-edit input loader (_load_image_bytes) fetched caller-controlled HTTP/HTTPS URLs with a bare httpx.get, applying only a scheme check and bypassing the egress-pinning HTTP client; because the workflow DSL supports "imageInput": "$userInput.body.imageUrl", a webhook or API caller can choose the fetch target when a workflow author uses that expression, allowing requests to loopback, RFC1918, and cloud metadata endpoints. Second, _is_public_address unwrapped only IPv4-mapped IPv6 addresses, so IPv6 transition forms — the NAT64 well-known prefix 64:ff9b::/96, deprecated IPv4-compatible ::x.x.x.x addresses, and 6to4 (2002::/16, classified as globally routable by Python 3.11.0 through 3.11.9) — could carry loopback, RFC1918, link-local, or cloud-metadata IPv4 destinations past both the initial URL validation and the dial-time IP pin. Version 0.0.91 routes the image loader through guard_http_url and the guarded client, evaluates NAT64 and IPv4-compatible addresses by their embedded IPv4 address, and refuses 64:ff9b:1::/48, 6to4, and Teredo (2001::/32) outright.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
            {
              "lessThan": "0.0.91",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.0.91",
              "versionType": "semver"
            }
          ]
        }
      ],
      "datePublic": "2026-08-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Heym versions 0.0.90 and earlier contain two server-side request forgery (SSRF) egress gaps, both remediated in app/services/ssrf_guard.py in 0.0.91. First, the LLM image-edit input loader (_load_image_bytes) fetched caller-controlled HTTP/HTTPS URLs with a bare httpx.get, applying only a scheme check and bypassing the egress-pinning HTTP client; because the workflow DSL supports \"imageInput\": \"$userInput.body.imageUrl\", a webhook or API caller can choose the fetch target when a workflow author uses that expression, allowing requests to loopback, RFC1918, and cloud metadata endpoints. Second, _is_public_address unwrapped only IPv4-mapped IPv6 addresses, so IPv6 transition forms \u2014 the NAT64 well-known prefix 64:ff9b::/96, deprecated IPv4-compatible ::x.x.x.x addresses, and 6to4 (2002::/16, classified as globally routable by Python 3.11.0 through 3.11.9) \u2014 could carry loopback, RFC1918, link-local, or cloud-metadata IPv4 destinations past both the initial URL validation and the dial-time IP pin. Version 0.0.91 routes the image loader through guard_http_url and the guarded client, evaluates NAT64 and IPv4-compatible addresses by their embedded IPv4 address, and refuses 64:ff9b:1::/48, 6to4, and Teredo (2001::/32) outright."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
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        {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
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        "shortName": "VulnCheck"
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          "name": "GitHub Security Advisory (GHSA-6rph-qqcv-jqh4)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/heymrun/heym/security/advisories/GHSA-6rph-qqcv-jqh4"
        },
        {
          "name": "VulnCheck Advisory: Heym before 0.0.91 SSRF via image fetching and IPv6 validation",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/heym-before-0.0.91-ssrf-via-image-fetching-and-ipv6-validation"
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    "assignerShortName": "VulnCheck",
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}

CVE-2026-100862 (GCVE-0-2026-100862)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.91 Multiple Secrets Plaintext Storage

Summary

heym, a workflow automation platform, stores and returns multiple capability secrets in plaintext in versions prior to 0.0.91. Affected secrets include webhook header-auth values (returned in cleartext by GET /api/workflows/{id} and persisted unsanitized into execution history), MCP API keys (stored as a plaintext column, returned in config/list responses, and accepted via the ?key= query string so they leak into logs, proxies and Referer headers), portal session tokens (stored and validated by plaintext equality with a 168-hour TTL), workflow execution JWTs (stored in full and re-listed by GET .../execution-tokens), Discord interaction tokens (the full interaction body is stored in execution history), and global variables. A user with read access to a workflow, share/team membership, or anyone able to read the database, a backup, or logs can recover these secrets and replay them to execute workflows or act as the secret owner.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-312 - Cleartext Storage of Sensitive Information

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Credits

mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
            {
              "lessThan": "0.0.91",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.0.91",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "mbakgun"
        }
      ],
      "datePublic": "2026-08-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "heym, a workflow automation platform, stores and returns multiple capability secrets in plaintext in versions prior to 0.0.91. Affected secrets include webhook header-auth values (returned in cleartext by GET /api/workflows/{id} and persisted unsanitized into execution history), MCP API keys (stored as a plaintext column, returned in config/list responses, and accepted via the ?key= query string so they leak into logs, proxies and Referer headers), portal session tokens (stored and validated by plaintext equality with a 168-hour TTL), workflow execution JWTs (stored in full and re-listed by GET .../execution-tokens), Discord interaction tokens (the full interaction body is stored in execution history), and global variables. A user with read access to a workflow, share/team membership, or anyone able to read the database, a backup, or logs can recover these secrets and replay them to execute workflows or act as the secret owner."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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CVE-2026-100861 (GCVE-0-2026-100861)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.105 SSRF via credential-controlled base URLs

Summary

heym before 0.0.105 fails to apply egress guards to integration services that use credential-supplied base URLs, allowing authenticated users to bypass SSRF protections. Attackers can configure credentials pointing to loopback, private, or cloud-metadata addresses and read internal service responses returned as workflow node output.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.105 (semver) Unaffected: 0.0.105 (semver)

Date Public

2026-09-03 00:00

Credits

fatihkaratash mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
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          "cvssV4_0": {
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CVE-2026-100860 (GCVE-0-2026-100860)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.105 Authentication Bypass via Redis Node

Summary

heym before 0.0.105 does not act on the result of the credential authorization lookup in the Redis workflow node (backend/app/services/node_execution/nodes/redis_node.py). When _get_accessible_credential returns None — because the credential ID does not exist or the caller is not authorized to use it — the node treats the lookup failure as an empty configuration and falls back to defaults, connecting to localhost:6379 with no password and executing the requested operation there. The same fallback occurs when an accessible credential has an empty config or no redis_host value. An authenticated workflow author who supplies a credential ID they do not own, or one that was deleted, therefore obtains a read/write connection to whatever Redis is listening on the backend's loopback interface instead of an error. Impact depends on the deployment: the stock docker-compose.yml ships no Redis, in which case the flaw surfaces as a misleading connection error rather than data exposure.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-636 - Not Failing Securely ('Failing Open')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.105 (semver) Unaffected: 0.0.105 (semver)

Date Public

2026-09-03 00:00

Credits

fatihkaratash

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
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          "lang": "en",
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        }
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        {
          "cvssV4_0": {
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            "attackRequirements": "NONE",
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CVE-2026-100859 (GCVE-0-2026-100859)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.106 Credential Exfiltration via URL Override

Summary

Heym before 0.0.106 contains a credential exfiltration vulnerability in the POST /api/credentials/test endpoint that allows collaborators with shared credential access to exfiltrate the credential owner's secret. Attackers can override the destination URL in the config parameter to cause the server to send decrypted authentication secrets to attacker-controlled endpoints.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.106 (semver) Unaffected: 0.0.106 (semver)

Date Public

2026-09-05 00:00

Credits

roonakyadav mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
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              "version": "0",
              "versionType": "semver"
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          "value": "Heym before 0.0.106 contains a credential exfiltration vulnerability in the POST /api/credentials/test endpoint that allows collaborators with shared credential access to exfiltrate the credential owner\u0027s secret. Attackers can override the destination URL in the config parameter to cause the server to send decrypted authentication secrets to attacker-controlled endpoints."
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      ],
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          "cvssV4_0": {
            "attackComplexity": "LOW",
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CVE-2026-100858 (GCVE-0-2026-100858)

Vulnerability from nvd – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.109 Server-Side Request Forgery via Workflow Nodes

Summary

heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials (webhook_url / flaresolverr_url) using an unguarded HTTP client, bypassing the SSRF egress guard that already protects the HTTP, WebSocket, and MCP nodes; the credential API validates only that the URL is non-empty. Any registered user can create a credential pointing at an internal address and execute a workflow, causing the backend to reach loopback, private, link-local, or cloud-metadata endpoints and return the full response body in the node output (non-blind SSRF).

Severity

7.6 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.109 (semver) Unaffected: 0.0.109 (semver)

Date Public

2026-09-12 00:00

Credits

unbengable12 mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
          "versions": [
            {
              "lessThan": "0.0.109",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
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CVE-2026-84207 (GCVE-0-2026-84207)

Vulnerability from nvd – Published: 2026-09-01 15:19 – Updated: 2026-09-01 17:34

Title

Heym before 0.0.98 SSRF via WebSocket endpoints

Summary

Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 17:30 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

7 references

URL	Tags
https://github.com/heymrun/heym	product
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://github.com/heymrun/heym/commit/540aade7c7…	patch
https://github.com/heymrun/heym/releases/tag/v0.0.98	release-notes
https://github.com/heymrun/heym/blob/v0.0.97/back…	technical-description
https://github.com/heymrun/heym/blob/v0.0.97/back…	technical-description
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.98 (semver) Unaffected: 0.0.98 (semver)

Date Public

2026-08-27 00:00

Credits

euriconicacio

Show details on NVD website

JSON

To clipboard

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CVE-2026-45227 (GCVE-0-2026-45227)

Vulnerability from nvd – Published: 2026-05-12 21:18 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Sandbox Escape via Python Introspection

Summary

Heym before 0.0.21 contains a sandbox escape vulnerability in the custom Python tool executor that allows authenticated workflow authors to bypass sandbox restrictions by using object-graph introspection primitives. Attackers can use Python introspection techniques to recover the unrestricted __import__ function, import blocked modules such as os and subprocess, and access inherited backend environment variables containing database credentials and encryption keys to execute arbitrary host commands as the backend service user.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-14 12:33 UTC

CWE

CWE-693 - Protection Mechanism Failure

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/94	issue-tracking
https://github.com/heymrun/heym/commit/32b7e809d9…	patch
https://www.vulncheck.com/advisories/heym-sandbox…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 32b7e809d987d9b018ec8daa2cdaf48f627f26f1 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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CVE-2026-45226 (GCVE-0-2026-45226)

Vulnerability from nvd – Published: 2026-05-12 21:17 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Authorization Bypass in Workflow Execution

Summary

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds pointing to victim workflow UUIDs to load and execute those workflows under attacker-controlled execution paths, exposing victim workflow outputs and triggering workflow nodes with unintended side effects.

Severity

7.6 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-13 15:04 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/93	issue-tracking
https://github.com/heymrun/heym/commit/3ae3ef6a7d…	patch
https://www.vulncheck.com/advisories/heym-authori…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 3ae3ef6a7d3609da0e910f9ed6b81e99a1661ac8 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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CVE-2026-45225 (GCVE-0-2026-45225)

Vulnerability from nvd – Published: 2026-05-12 21:09 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Path Traversal File Upload via upload_file()

Summary

Heym before 0.0.21 contains a path traversal vulnerability in the file upload endpoint that allows authenticated users to write attacker-controlled files to arbitrary locations by supplying a crafted filename with traversal sequences. Attackers can exploit the unvalidated filename parameter in the upload_file() handler to bypass path restrictions and write, read, or delete files outside the intended storage directory.

Severity

7.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

7.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-14 20:02 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/92	issue-tracking
https://github.com/heymrun/heym/commit/835843e6d2…	patch
https://www.vulncheck.com/advisories/heym-path-tr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 835843e6d2bf7d018cbb8e50f28f0426eaa20c84 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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CVE-2026-100865 (GCVE-0-2026-100865)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.53 Multiple RCE and Authentication Bypass Vulnerabilities

Summary

Heym before 0.0.53 contains multiple independent vulnerabilities. (1) The workflow condition evaluator uses Python eval() without an effective sandbox, allowing any user who can edit a workflow branch/condition node — or who can import a workflow template containing a malicious condition node — to execute arbitrary Python code as the backend process user when the workflow runs. (2) Slack webhook signature verification and (3) Telegram webhook secret-token verification fail open when the trigger node has no credentialId or an empty signing secret, allowing anyone who knows the public webhook URL to trigger workflows with the owner's credentials without authentication. (4) The OAuth authorization endpoint does not validate the redirect_uri scheme, so an attacker who registers a public OAuth client with a javascript: or data: redirect_uri and lures a victim to the consent screen receives the authorization code and executes attacker-controlled JavaScript in the Heym origin, including access to the victim's HttpOnly auth cookie. (5) WorkflowExecutionToken, PortalSession, HITLRequest.public_token, and OAuthAuthorizationCode values are stored in plaintext, so any database read exposure yields valid scoped bearer tokens, including portal and HITL tokens with a 168-hour TTL that permit workflow execution on behalf of the owner.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.53 (semver) Unaffected: 0.0.53 (semver)

Date Public

2026-06-26 00:00

Credits

okcomputerfan mbakgun

Show details on NVD website

JSON

To clipboard

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CVE-2026-100864 (GCVE-0-2026-100864)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.91 Remote Code Execution via Expression Engine

Summary

heym before 0.0.91 contains a sandbox escape vulnerability in the expression engine's DotList map/filter and fallback resolver that allows authenticated users to execute arbitrary Python code. Attackers can craft workflow expressions using dunder attribute access through item expressions or the fallback resolver to access os.system and execute commands as the backend process.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Credits

mbakgun

Show details on NVD website

JSON

To clipboard

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CVE-2026-100863 (GCVE-0-2026-100863)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.91 SSRF via image fetching and IPv6 validation

Summary

Heym versions 0.0.90 and earlier contain two server-side request forgery (SSRF) egress gaps, both remediated in app/services/ssrf_guard.py in 0.0.91. First, the LLM image-edit input loader (_load_image_bytes) fetched caller-controlled HTTP/HTTPS URLs with a bare httpx.get, applying only a scheme check and bypassing the egress-pinning HTTP client; because the workflow DSL supports "imageInput": "$userInput.body.imageUrl", a webhook or API caller can choose the fetch target when a workflow author uses that expression, allowing requests to loopback, RFC1918, and cloud metadata endpoints. Second, _is_public_address unwrapped only IPv4-mapped IPv6 addresses, so IPv6 transition forms — the NAT64 well-known prefix 64:ff9b::/96, deprecated IPv4-compatible ::x.x.x.x addresses, and 6to4 (2002::/16, classified as globally routable by Python 3.11.0 through 3.11.9) — could carry loopback, RFC1918, link-local, or cloud-metadata IPv4 destinations past both the initial URL validation and the dial-time IP pin. Version 0.0.91 routes the image loader through guard_http_url and the guarded client, evaluates NAT64 and IPv4-compatible addresses by their embedded IPv4 address, and refuses 64:ff9b:1::/48, 6to4, and Teredo (2001::/32) outright.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
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          "vendor": "heymrun",
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        }
      ],
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            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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CVE-2026-100862 (GCVE-0-2026-100862)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.91 Multiple Secrets Plaintext Storage

Summary

heym, a workflow automation platform, stores and returns multiple capability secrets in plaintext in versions prior to 0.0.91. Affected secrets include webhook header-auth values (returned in cleartext by GET /api/workflows/{id} and persisted unsanitized into execution history), MCP API keys (stored as a plaintext column, returned in config/list responses, and accepted via the ?key= query string so they leak into logs, proxies and Referer headers), portal session tokens (stored and validated by plaintext equality with a 168-hour TTL), workflow execution JWTs (stored in full and re-listed by GET .../execution-tokens), Discord interaction tokens (the full interaction body is stored in execution history), and global variables. A user with read access to a workflow, share/team membership, or anyone able to read the database, a backup, or logs can recover these secrets and replay them to execute workflows or act as the secret owner.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-312 - Cleartext Storage of Sensitive Information

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.91 (semver) Unaffected: 0.0.91 (semver)

Date Public

2026-08-15 00:00

Credits

mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        {
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          "vendor": "heymrun",
          "versions": [
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CVE-2026-100861 (GCVE-0-2026-100861)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.105 SSRF via credential-controlled base URLs

Summary

heym before 0.0.105 fails to apply egress guards to integration services that use credential-supplied base URLs, allowing authenticated users to bypass SSRF protections. Attackers can configure credentials pointing to loopback, private, or cloud-metadata addresses and read internal service responses returned as workflow node output.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.105 (semver) Unaffected: 0.0.105 (semver)

Date Public

2026-09-03 00:00

Credits

fatihkaratash mbakgun

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "heym",
          "vendor": "heymrun",
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CVE-2026-100860 (GCVE-0-2026-100860)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.105 Authentication Bypass via Redis Node

Summary

heym before 0.0.105 does not act on the result of the credential authorization lookup in the Redis workflow node (backend/app/services/node_execution/nodes/redis_node.py). When _get_accessible_credential returns None — because the credential ID does not exist or the caller is not authorized to use it — the node treats the lookup failure as an empty configuration and falls back to defaults, connecting to localhost:6379 with no password and executing the requested operation there. The same fallback occurs when an accessible credential has an empty config or no redis_host value. An authenticated workflow author who supplies a credential ID they do not own, or one that was deleted, therefore obtains a read/write connection to whatever Redis is listening on the backend's loopback interface instead of an error. Impact depends on the deployment: the stock docker-compose.yml ships no Redis, in which case the flaw surfaces as a misleading connection error rather than data exposure.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-636 - Not Failing Securely ('Failing Open')

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.105 (semver) Unaffected: 0.0.105 (semver)

Date Public

2026-09-03 00:00

Credits

fatihkaratash

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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CVE-2026-100859 (GCVE-0-2026-100859)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

Heym before 0.0.106 Credential Exfiltration via URL Override

Summary

Heym before 0.0.106 contains a credential exfiltration vulnerability in the POST /api/credentials/test endpoint that allows collaborators with shared credential access to exfiltrate the credential owner's secret. Attackers can override the destination URL in the config parameter to cause the server to send decrypted authentication secrets to attacker-controlled endpoints.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.106 (semver) Unaffected: 0.0.106 (semver)

Date Public

2026-09-05 00:00

Credits

roonakyadav mbakgun

Show details on NVD website

JSON

To clipboard

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CVE-2026-100858 (GCVE-0-2026-100858)

Vulnerability from cvelistv5 – Published: 2026-09-27 01:28 – Updated: 2026-09-27 01:28

Title

heym before 0.0.109 Server-Side Request Forgery via Workflow Nodes

Summary

heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials (webhook_url / flaresolverr_url) using an unguarded HTTP client, bypassing the SSRF egress guard that already protects the HTTP, WebSocket, and MCP nodes; the credential API validates only that the URL is non-empty. Any registered user can create a credential pointing at an internal address and execute a workflow, causing the backend to reach loopback, private, link-local, or cloud-metadata endpoints and return the full response body in the node output (non-blind SSRF).

Severity

7.6 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.109 (semver) Unaffected: 0.0.109 (semver)

Date Public

2026-09-12 00:00

Credits

unbengable12 mbakgun

Show details on NVD website

JSON

To clipboard

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CVE-2026-84207 (GCVE-0-2026-84207)

Vulnerability from cvelistv5 – Published: 2026-09-01 15:19 – Updated: 2026-09-01 17:34

Title

Heym before 0.0.98 SSRF via WebSocket endpoints

Summary

Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 17:30 UTC

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

VulnCheck mitre root

References

7 references

URL	Tags
https://github.com/heymrun/heym	product
https://github.com/heymrun/heym/security/advisori…	vendor-advisory
https://github.com/heymrun/heym/commit/540aade7c7…	patch
https://github.com/heymrun/heym/releases/tag/v0.0.98	release-notes
https://github.com/heymrun/heym/blob/v0.0.97/back…	technical-description
https://github.com/heymrun/heym/blob/v0.0.97/back…	technical-description
https://www.vulncheck.com/advisories/heym-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.98 (semver) Unaffected: 0.0.98 (semver)

Date Public

2026-08-27 00:00

Credits

euriconicacio

Show details on NVD website

JSON

To clipboard

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CVE-2026-45227 (GCVE-0-2026-45227)

Vulnerability from cvelistv5 – Published: 2026-05-12 21:18 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Sandbox Escape via Python Introspection

Summary

Heym before 0.0.21 contains a sandbox escape vulnerability in the custom Python tool executor that allows authenticated workflow authors to bypass sandbox restrictions by using object-graph introspection primitives. Attackers can use Python introspection techniques to recover the unrestricted __import__ function, import blocked modules such as os and subprocess, and access inherited backend environment variables containing database credentials and encryption keys to execute arbitrary host commands as the backend service user.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-14 12:33 UTC

CWE

CWE-693 - Protection Mechanism Failure

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/94	issue-tracking
https://github.com/heymrun/heym/commit/32b7e809d9…	patch
https://www.vulncheck.com/advisories/heym-sandbox…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 32b7e809d987d9b018ec8daa2cdaf48f627f26f1 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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CVE-2026-45226 (GCVE-0-2026-45226)

Vulnerability from cvelistv5 – Published: 2026-05-12 21:17 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Authorization Bypass in Workflow Execution

Summary

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds pointing to victim workflow UUIDs to load and execute those workflows under attacker-controlled execution paths, exposing victim workflow outputs and triggering workflow nodes with unintended side effects.

Severity

7.6 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-13 15:04 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/93	issue-tracking
https://github.com/heymrun/heym/commit/3ae3ef6a7d…	patch
https://www.vulncheck.com/advisories/heym-authori…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 3ae3ef6a7d3609da0e910f9ed6b81e99a1661ac8 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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CVE-2026-45225 (GCVE-0-2026-45225)

Vulnerability from cvelistv5 – Published: 2026-05-12 21:09 – Updated: 2026-07-14 20:01 X_Open Source

Title

Heym < 0.0.21 Path Traversal File Upload via upload_file()

Summary

Heym before 0.0.21 contains a path traversal vulnerability in the file upload endpoint that allows authenticated users to write attacker-controlled files to arbitrary locations by supplying a crafted filename with traversal sequences. Attackers can exploit the unvalidated filename parameter in the upload_file() handler to bypass path restrictions and write, read, or delete files outside the intended storage directory.

Severity

7.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

7.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-14 20:02 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/heymrun/heym/releases/tag/v0.0.21	release-notes
https://github.com/heymrun/heym/pull/92	issue-tracking
https://github.com/heymrun/heym/commit/835843e6d2…	patch
https://www.vulncheck.com/advisories/heym-path-tr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
heymrun	heym	Affected: 0 , < 0.0.21 (semver) Unaffected: 835843e6d2bf7d018cbb8e50f28f0426eaa20c84 (git)

Date Public

2026-05-09 00:00

Credits

Chia Min Jun Lennon

Show details on NVD website

JSON

To clipboard

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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T20:01:18.219Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/heymrun/heym/releases/tag/v0.0.21"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/heymrun/heym/pull/92"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/heymrun/heym/commit/835843e6d2bf7d018cbb8e50f28f0426eaa20c84"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/heym-path-traversal-file-upload-via-upload-file"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "tags": [
        "x_open-source"
      ],
      "title": "Heym \u003c 0.0.21 Path Traversal File Upload via upload_file()",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-45225",
    "datePublished": "2026-05-12T21:09:28.287Z",
    "dateReserved": "2026-05-11T14:14:49.611Z",
    "dateUpdated": "2026-07-14T20:01:18.219Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Find a vulnerability

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24 vulnerabilities by heymrun

CVE-2026-100865 (GCVE-0-2026-100865)

CVE-2026-100864 (GCVE-0-2026-100864)

CVE-2026-100863 (GCVE-0-2026-100863)

CVE-2026-100862 (GCVE-0-2026-100862)

CVE-2026-100861 (GCVE-0-2026-100861)

CVE-2026-100860 (GCVE-0-2026-100860)

CVE-2026-100859 (GCVE-0-2026-100859)

CVE-2026-100858 (GCVE-0-2026-100858)

CVE-2026-84207 (GCVE-0-2026-84207)

CVE-2026-45227 (GCVE-0-2026-45227)

CVE-2026-45226 (GCVE-0-2026-45226)

CVE-2026-45225 (GCVE-0-2026-45225)

CVE-2026-100865 (GCVE-0-2026-100865)

CVE-2026-100864 (GCVE-0-2026-100864)

CVE-2026-100863 (GCVE-0-2026-100863)

CVE-2026-100862 (GCVE-0-2026-100862)

CVE-2026-100861 (GCVE-0-2026-100861)

CVE-2026-100860 (GCVE-0-2026-100860)

CVE-2026-100859 (GCVE-0-2026-100859)

CVE-2026-100858 (GCVE-0-2026-100858)

CVE-2026-84207 (GCVE-0-2026-84207)

CVE-2026-45227 (GCVE-0-2026-45227)

CVE-2026-45226 (GCVE-0-2026-45226)

CVE-2026-45225 (GCVE-0-2026-45225)

Find a vulnerability

Search criteria ⓘ Use this form to refine search results. Full-text search supports keyword queries with ranking and filtering. You can combine vendor, product, and sources to narrow results. Enable “Apply ordering” to sort by date instead of relevance.

24 vulnerabilities by heymrun

CVE-2026-100865 (GCVE-0-2026-100865)

CVE-2026-100864 (GCVE-0-2026-100864)

CVE-2026-100863 (GCVE-0-2026-100863)

CVE-2026-100862 (GCVE-0-2026-100862)

CVE-2026-100861 (GCVE-0-2026-100861)

CVE-2026-100860 (GCVE-0-2026-100860)

CVE-2026-100859 (GCVE-0-2026-100859)

CVE-2026-100858 (GCVE-0-2026-100858)

CVE-2026-84207 (GCVE-0-2026-84207)

CVE-2026-45227 (GCVE-0-2026-45227)

CVE-2026-45226 (GCVE-0-2026-45226)

CVE-2026-45225 (GCVE-0-2026-45225)

CVE-2026-100865 (GCVE-0-2026-100865)

CVE-2026-100864 (GCVE-0-2026-100864)

CVE-2026-100863 (GCVE-0-2026-100863)

CVE-2026-100862 (GCVE-0-2026-100862)

CVE-2026-100861 (GCVE-0-2026-100861)

CVE-2026-100860 (GCVE-0-2026-100860)

CVE-2026-100859 (GCVE-0-2026-100859)

CVE-2026-100858 (GCVE-0-2026-100858)

CVE-2026-84207 (GCVE-0-2026-84207)

CVE-2026-45227 (GCVE-0-2026-45227)

CVE-2026-45226 (GCVE-0-2026-45226)

CVE-2026-45225 (GCVE-0-2026-45225)

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.