{
 "id": "CVE-2026-12537",
 "description": "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.",
 "published": "2026-06-24",
 "last_modified": "2026-07-02",
 "vuln_status": "Analyzed",
 "cna": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
 "cvss": {
  "version": "4.0",
  "score": 10,
  "severity": "CRITICAL",
  "vector": "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",
  "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
 },
 "cwe": [
  "CWE-20",
  "CWE-78"
 ],
 "products": [
  {
   "vendor": "google",
   "product": "gemini-cli",
   "versions_affected": "< 0.39.1",
   "fixed_in": "0.39.1",
   "product_id": null
  },
  {
   "vendor": "google",
   "product": "run-gemini-cli",
   "versions_affected": "< 0.1.22",
   "fixed_in": "0.1.22",
   "product_id": null
  }
 ],
 "category": "product",
 "surface": [
  "code_execution"
 ],
 "kev": null,
 "fix": {
  "status": "fixed",
  "version": "0.39.1",
  "url": "https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g"
 },
 "references": [
  {
   "url": "https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g",
   "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
   "tags": [
    "Vendor Advisory",
    "Patch"
   ]
  }
 ],
 "related_agents": [
  "google-gemini-cli"
 ],
 "related_incidents": [],
 "match": {
  "tests": [
   "A:name"
  ],
  "terms": [
   "gemini-cli:Gemini CLI"
  ]
 },
 "status": "candidate",
 "note": null,
 "reviewer": null,
 "checked_on": null,
 "retrieved_on": "2026-10-25"
}