Unrated severityNVD Advisory· Published Jun 24, 2026· Updated Jun 24, 2026
Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows
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.
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Affected products
2- Range: <0.39.1
- Range: <0.1.22
Patches
Vulnerability mechanics
References
1News mentions
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