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CVE-2026-101084 (GCVE-0-2026-101084)

Vulnerability from nvd – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

obot before v0.21.1 Authorization Bypass via /mcp-connect

Summary

obot versions before v0.21.1 fail to enforce Access Control Rules on the /mcp-connect endpoint, allowing any authenticated user to connect to restricted MCP servers if they possess the server ID. Attackers can bypass authorization checks to access and manipulate sensitive backend systems through MCP tool calls using stored OAuth credentials.

Severity

9.3 (Critical)


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

9.6 (Critical)


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

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.21.1 (semver) Unaffected: 0.21.1 (semver)

Date Public

2026-05-08 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:golang/github.com/obot-platform/obot",
          "product": "obot",
          "vendor": "obot-platform",
          "versions": [
            {
              "lessThan": "0.21.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "0.21.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "datePublic": "2026-05-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "obot versions before v0.21.1 fail to enforce Access Control Rules on the /mcp-connect endpoint, allowing any authenticated user to connect to restricted MCP servers if they possess the server ID. Attackers can bypass authorization checks to access and manipulate sensitive backend systems through MCP tool calls using stored OAuth credentials."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-27T20:49:56.702Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
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          "name": "GitHub Security Advisory (GHSA-vw82-7fv8-r6gp)",
          "tags": [
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          ],
          "url": "https://github.com/obot-platform/obot/security/advisories/GHSA-vw82-7fv8-r6gp"
        },
        {
          "name": "VulnCheck Advisory: obot before v0.21.1 Authorization Bypass via /mcp-connect",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/obot-before-0.21.1-authorization-bypass-via-mcp-connect"
        }
      ],
      "title": "obot before v0.21.1 Authorization Bypass via /mcp-connect",
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        "engine": "vulncheck-endgame"
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    "assignerShortName": "VulnCheck",
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    "dateReserved": "2026-09-27T20:29:07.432Z",
    "dateUpdated": "2026-09-27T20:49:56.702Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-101065 (GCVE-0-2026-101065)

Vulnerability from nvd – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

Obot Quickstart Docker Deployment Unauthenticated Admin Access

Summary

Obot is an open-source AI agent/MCP platform. In all versions up to and including commit d7e6970, the Docker quickstart command documented in the README starts the container listening on 0.0.0.0:8080 with authentication disabled by default. When authentication is disabled, every request is mapped to a synthetic "nobody" user that holds the Owner and Admin roles, so any unauthenticated party who can reach the exposed port obtains full administrative access to the Obot API and UI, including the ability to register and launch attacker-controlled MCP servers. Because the quickstart also mounts /var/run/docker.sock into the container, the MCP runtime backend reachable this way has access to the host's Docker control surface. The fix is documentation-only: the quickstart now enables authentication, and operators who followed the previous instructions should set OBOT_SERVER_ENABLE_AUTHENTICATION=true before exposing the host to any untrusted network.

Severity

9.3 (Critical)


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

9.8 (Critical)


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

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-quickst…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot

Date Public

2026-05-08 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "obot",
          "vendor": "obot-platform"
        }
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      "datePublic": "2026-05-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Obot is an open-source AI agent/MCP platform. In all versions up to and including commit d7e6970, the Docker quickstart command documented in the README starts the container listening on 0.0.0.0:8080 with authentication disabled by default. When authentication is disabled, every request is mapped to a synthetic \"nobody\" user that holds the Owner and Admin roles, so any unauthenticated party who can reach the exposed port obtains full administrative access to the Obot API and UI, including the ability to register and launch attacker-controlled MCP servers. Because the quickstart also mounts /var/run/docker.sock into the container, the MCP runtime backend reachable this way has access to the host\u0027s Docker control surface. The fix is documentation-only: the quickstart now enables authentication, and operators who followed the previous instructions should set OBOT_SERVER_ENABLE_AUTHENTICATION=true before exposing the host to any untrusted network."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-27T20:49:56.009Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
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          "name": "GitHub Security Advisory (GHSA-jj4w-pfgv-4mrm)",
          "tags": [
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          "url": "https://github.com/obot-platform/obot/security/advisories/GHSA-jj4w-pfgv-4mrm"
        },
        {
          "name": "VulnCheck Advisory: Obot Quickstart Docker Deployment Unauthenticated Admin Access",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/obot-quickstart-docker-deployment-unauthenticated-admin-access"
        }
      ],
      "title": "Obot Quickstart Docker Deployment Unauthenticated Admin Access",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
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  },
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    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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    "datePublished": "2026-09-27T20:49:56.009Z",
    "dateReserved": "2026-09-27T16:38:56.428Z",
    "dateUpdated": "2026-09-27T20:49:56.009Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-101064 (GCVE-0-2026-101064)

Vulnerability from nvd – Published: 2026-09-27 20:49 – Updated: 2026-09-28 13:01

Title

Obot before v0.23.0 Server-Side Request Forgery via MCP

Summary

Obot before v0.23.0 contains a server-side request forgery vulnerability in remote MCP server registration that allows privileged users to specify arbitrary URLs without destination validation. Attackers with Power User or higher roles can coerce Obot to make requests to internal services and cloud metadata endpoints, reading responses in error messages to disclose sensitive credentials.

Severity

8.3 (High)


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

7.6 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:01 UTC

CWE

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

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

hewei-gikaku

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-101064",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-28T13:01:20.197188Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
          "dateUpdated": "2026-09-28T13:01:29.785Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "packageURL": "pkg:golang/github.com/obot-platform/obot",
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          ]
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        {
          "lang": "en",
          "type": "reporter",
          "value": "hewei-gikaku"
        }
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          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.3,
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            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "HIGH",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N",
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}

CVE-2026-101063 (GCVE-0-2026-101063)

Vulnerability from nvd – Published: 2026-09-27 20:49 – Updated: 2026-09-28 13:49

Title

Obot before v0.23.0 Authentication Bypass via Registry API

Summary

Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.

Severity

6.9 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:49 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

hewei-gikaku

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-101063",
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                    "Exploitation": "none"
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          "lang": "en",
          "type": "reporter",
          "value": "hewei-gikaku"
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      ],
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          "lang": "en",
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            "vulnIntegrityImpact": "NONE"
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              "cweId": "CWE-862",
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CVE-2026-101062 (GCVE-0-2026-101062)

Vulnerability from nvd – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

Obot before v0.23.0 Authentication Bypass via OAuth Dynamic Client Registration

Summary

Obot before v0.23.0 (affected versions <= v0.22.1) running with OBOT_SERVER_ENABLE_AUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already logged-in user with no consent screen, an attacker who registers a client pointing at their own domain and induces a logged-in victim to visit a single crafted authorization URL receives an authorization code at the attacker-controlled redirect URI and can exchange it for an access token and refresh token. The token minted by the MCP OAuth flow carries the victim's full group set in the JWT, and Obot validated only the issuer and not the audience, so the token is accepted as a bearer token against any Obot API endpoint the victim can access rather than being scoped to the requested MCP server, allowing the attacker to read or modify the victim's resources until the token is revoked. v0.23.0 adds a consent screen, restricts MCP OAuth tokens to the MCP involved in the request, and enforces audience validation.

Severity

8.7 (High)


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

8.8 (High)


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

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

EQSTLab min8282

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
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          "packageURL": "pkg:golang/github.com/obot-platform/obot",
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          "value": "EQSTLab"
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      "metrics": [
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CVE-2026-101084 (GCVE-0-2026-101084)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

obot before v0.21.1 Authorization Bypass via /mcp-connect

Summary

obot versions before v0.21.1 fail to enforce Access Control Rules on the /mcp-connect endpoint, allowing any authenticated user to connect to restricted MCP servers if they possess the server ID. Attackers can bypass authorization checks to access and manipulate sensitive backend systems through MCP tool calls using stored OAuth credentials.

Severity

9.3 (Critical)


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

9.6 (Critical)


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

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.21.1 (semver) Unaffected: 0.21.1 (semver)

Date Public

2026-05-08 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:golang/github.com/obot-platform/obot",
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CVE-2026-101065 (GCVE-0-2026-101065)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

Obot Quickstart Docker Deployment Unauthenticated Admin Access

Summary

Obot is an open-source AI agent/MCP platform. In all versions up to and including commit d7e6970, the Docker quickstart command documented in the README starts the container listening on 0.0.0.0:8080 with authentication disabled by default. When authentication is disabled, every request is mapped to a synthetic "nobody" user that holds the Owner and Admin roles, so any unauthenticated party who can reach the exposed port obtains full administrative access to the Obot API and UI, including the ability to register and launch attacker-controlled MCP servers. Because the quickstart also mounts /var/run/docker.sock into the container, the MCP runtime backend reachable this way has access to the host's Docker control surface. The fix is documentation-only: the quickstart now enables authentication, and operators who followed the previous instructions should set OBOT_SERVER_ENABLE_AUTHENTICATION=true before exposing the host to any untrusted network.

Severity

9.3 (Critical)


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

9.8 (Critical)


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

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-quickst…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot

Date Public

2026-05-08 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "obot",
          "vendor": "obot-platform"
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CVE-2026-101064 (GCVE-0-2026-101064)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-28 13:01

Title

Obot before v0.23.0 Server-Side Request Forgery via MCP

Summary

Obot before v0.23.0 contains a server-side request forgery vulnerability in remote MCP server registration that allows privileged users to specify arbitrary URLs without destination validation. Attackers with Power User or higher roles can coerce Obot to make requests to internal services and cloud metadata endpoints, reading responses in error messages to disclose sensitive credentials.

Severity

8.3 (High)


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

7.6 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:01 UTC

CWE

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

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

hewei-gikaku

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "metrics": [
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            "other": {
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CVE-2026-101063 (GCVE-0-2026-101063)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-28 13:49

Title

Obot before v0.23.0 Authentication Bypass via Registry API

Summary

Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.

Severity

6.9 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:49 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

hewei-gikaku

Show details on NVD website

JSON

To clipboard

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CVE-2026-101062 (GCVE-0-2026-101062)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-27 20:49

Title

Obot before v0.23.0 Authentication Bypass via OAuth Dynamic Client Registration

Summary

Obot before v0.23.0 (affected versions <= v0.22.1) running with OBOT_SERVER_ENABLE_AUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already logged-in user with no consent screen, an attacker who registers a client pointing at their own domain and induces a logged-in victim to visit a single crafted authorization URL receives an authorization code at the attacker-controlled redirect URI and can exchange it for an access token and refresh token. The token minted by the MCP OAuth flow carries the victim's full group set in the JWT, and Obot validated only the issuer and not the audience, so the token is accepted as a bearer token against any Obot API endpoint the victim can access rather than being scoped to the requested MCP server, allowing the attacker to read or modify the victim's resources until the token is revoked. v0.23.0 adds a consent screen, restricts MCP OAuth tokens to the MCP involved in the request, and enforces audience validation.

Severity

8.7 (High)


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

8.8 (High)


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

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

EQSTLab min8282

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

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10 vulnerabilities by obot-platform

CVE-2026-101084 (GCVE-0-2026-101084)

CVE-2026-101065 (GCVE-0-2026-101065)

CVE-2026-101064 (GCVE-0-2026-101064)

CVE-2026-101063 (GCVE-0-2026-101063)

CVE-2026-101062 (GCVE-0-2026-101062)

CVE-2026-101084 (GCVE-0-2026-101084)

CVE-2026-101065 (GCVE-0-2026-101065)

CVE-2026-101064 (GCVE-0-2026-101064)

CVE-2026-101063 (GCVE-0-2026-101063)

CVE-2026-101062 (GCVE-0-2026-101062)

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.

10 vulnerabilities by obot-platform

CVE-2026-101084 (GCVE-0-2026-101084)

CVE-2026-101065 (GCVE-0-2026-101065)

CVE-2026-101064 (GCVE-0-2026-101064)

CVE-2026-101063 (GCVE-0-2026-101063)

CVE-2026-101062 (GCVE-0-2026-101062)

CVE-2026-101084 (GCVE-0-2026-101084)

CVE-2026-101065 (GCVE-0-2026-101065)

CVE-2026-101064 (GCVE-0-2026-101064)

CVE-2026-101063 (GCVE-0-2026-101063)

CVE-2026-101062 (GCVE-0-2026-101062)

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.
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