CVE-2026-12537

HighCVSS 7.8/10Last modified Jul 2, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20 CWE-78

Affected software

No affected versions have been published.

Timeline

Published: Jun 24, 2026
Last modified: Jul 2, 2026
NVD status: Analyzed

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