Vulnerability-Lookup

GHSA-JJ69-4GRX-FQJ5

Vulnerability from github – Published: 2026-06-24 15:31 – Updated: 2026-07-02 21:32

Details

Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file.

Severity

7.8 (High)


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

10.0 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-12537"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T14:17:29Z",
    "severity": "CRITICAL"
  },
  "details": "Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file.",
  "id": "GHSA-jj69-4grx-fqj5",
  "modified": "2026-07-02T21:32:04Z",
  "published": "2026-06-24T15:31:46Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12537"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:Clear",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-12537 (GCVE-0-2026-12537)

Vulnerability from cvelistv5 – Published: 2026-06-24 13:37 – Updated: 2026-06-24 13:53

Title

Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows

Summary

Severity

10 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

GoogleCloud

References

1 reference

URL	Tags
https://github.com/google-github-actions/run-gemi…

Impacted products

2 products

Vendor	Product	Version
Google Cloud	Gemini CLI	Affected: 0 , < 0.39.1 (custom)
Google Cloud	run-gemini-cli GitHub Action	Affected: 0 , < 0.1.22 (custom)

Credits

Elad Meged of Novee Security Devansh Batham

Show details on NVD website

JSON

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                "role": "CISA Coordinator",
                "timestamp": "2026-06-24T13:52:11.782979Z",
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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.

Action not permitted

GHSA-JJ69-4GRX-FQJ5

CVE-2026-12537 (GCVE-0-2026-12537)

Tags

Sightings

Nomenclature