CVE-2026-12537
7.8 · HIGHOverview
CVE-2026-12537 is a high-severity vulnerability affecting google gemini-cli. It was published on June 24, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from google. Update gemini-cli to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gemini-cli | >= 0, < 0.39.1 | Affected | |
| run-gemini-cli | >= 0, < 0.1.22 | Affected |
Frequently Asked Questions
What is CVE-2026-12537?
CVE-2026-12537 is a high-severity vulnerability affecting google gemini-cli. It was published on June 24, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-12537?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-12537?
Check the references section for vendor advisories and patches from google. Update gemini-cli to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-12537?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-12537 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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