Vulnerability-Lookup

CVE-2026-82862 (GCVE-0-2026-82862)

Vulnerability from cvelistv5 – Published: 2026-08-31 08:46 – Updated: 2026-09-01 15:03

Title

Hulumi before v1.3.2 Helper Script Shadowing via Workspace Files

Summary

Hulumi versions before v1.3.2 resolve the threat-model helper script from an unsafe root, allowing workspace files to shadow the intended helper script. Attackers can place malicious files in the workspace to execute arbitrary code during local skill execution.

Severity

8.6 (High)


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

8.4 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 15:03 UTC

CWE

CWE-426 - Untrusted Search Path

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/kerberosmansour/hulumi/securit…	vendor-advisory
https://www.vulncheck.com/advisories/hulumi-befor…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
kerberosmansour	hulumi	Affected: 0 , < 1.3.2 (semver) Unaffected: 1.3.2 (semver)	guessed

Date Public

2026-05-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-82862",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-01T15:03:19.952463Z",
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      }
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      ],
      "metrics": [
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "privilegesRequired": "NONE",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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            "valueDensity": "NOT_DEFINED",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "url": "https://www.vulncheck.com/advisories/hulumi-before-1.3.2-helper-script-shadowing-via-workspace-files"
        }
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  "cveMetadata": {
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    "state": "PUBLISHED"
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}

FKIE_CVE-2026-82862

Vulnerability from fkie_nvd - Published: 2026-08-31 09:17 - Updated: 2026-09-01 15:17

Severity

8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-mjcg-x5mr-27ww
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/hulumi-before-1.3.2-helper-script-shadowing-via-workspace-files

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "hulumi",
          "vendor": "kerberosmansour",
          "versions": [
            {
              "lessThan": "1.3.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.3.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hulumi versions before v1.3.2 resolve the threat-model helper script from an unsafe root, allowing workspace files to shadow the intended helper script. Attackers can place malicious files in the workspace to execute arbitrary code during local skill execution."
    }
  ],
  "id": "CVE-2026-82862",
  "lastModified": "2026-09-01T15:17:37.170",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
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          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
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        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2026-82862",
          "options": [
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              "exploitation": "none"
            },
            {
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            },
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            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-01T15:03:19.952463Z",
          "version": "2.0.3"
        }
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  },
  "published": "2026-08-31T09:17:06.643",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-mjcg-x5mr-27ww"
    },
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      "url": "https://www.vulncheck.com/advisories/hulumi-before-1.3.2-helper-script-shadowing-via-workspace-files"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-426"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-FFGQ-3PGP-P595

Vulnerability from github – Published: 2026-08-31 09:30 – Updated: 2026-08-31 09:30

Details

Severity

8.4 (High)


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

8.6 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-82862"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-426"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-31T09:17:06Z",
    "severity": "HIGH"
  },
  "details": "Hulumi versions before v1.3.2 resolve the threat-model helper script from an unsafe root, allowing workspace files to shadow the intended helper script. Attackers can place malicious files in the workspace to execute arbitrary code during local skill execution.",
  "id": "GHSA-ffgq-3pgp-p595",
  "modified": "2026-08-31T09:30:31Z",
  "published": "2026-08-31T09:30:31Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-mjcg-x5mr-27ww"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82862"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/hulumi-before-1.3.2-helper-script-shadowing-via-workspace-files"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-82862 (GCVE-0-2026-82862)

FKIE_CVE-2026-82862

GHSA-FFGQ-3PGP-P595

Tags

Sightings

Nomenclature