CVE-2026-12537

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.

Score
CVSS 4.0 10.0 Critical
Status
Analyzed - f45cbf4e-4146-4068-b7e1-655ffc2c548c
Published
2026-06-24
Last modified
2026-06-24
Weaknesses
CWE-20, CWE-78

Affected products

References