Critical 10.0Published Jun 24, 2026

CVE-2026-12537Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows

Updated under an hour ago (Oct 27, 2026, 9:30 PM ET)

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It affects Google Cloud Gemini CLI and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Google Cloud Gemini CLI

Exploited in the last 30 days

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.

CVSS: 10.0 CRITICAL (v4.0, CNA)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/U:Clear
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GoogleCloud
NVD analysis: Analyzed
Record last updated: Jun 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Google Cloud Gemini CLI google_cloud:gemini_cli (from the name)	before 0.39.1	CNA record
Google Cloud run-gemini-cli GitHub Action google_cloud:run_gemini_cli_github_action (from the name)	before 0.1.22	CNA record
google gemini-cli google:gemini-cli	before 0.39.1; 0.40.0	NVD
google run-gemini-cli google:run-gemini-cli	before 0.1.22	NVD

References

References

https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.