CVE-2026-12537: Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows
High · CVSS 7.8 (CVSS 3.1)EPSS 0.21%, 11th percentilePublished Updated Assigner: GoogleCloud
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.
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · CWE-20
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google Cloud: Gemini CLIGoogle Cloud: run-gemini-cli GitHub Action
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)