Vulnerabilities

CVSS

10.0 Critical

Vector

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

Risk score

80.0

Published

2026-06-24

Status

Published

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.

Weaknesses

CWE-20

Coverage 1

vulnerability

Claude Code and Gemini CLI Flaws Let a GitHub Issue Reach CI Workflow Secrets

Two vulnerabilities – one in Gemini CLI and another in Claude Code – have been discovered that allowed unprivileged attackers to execute code on CI runners, potentially exposing sensitive information. Gemini CLI allowed…

The Hacker News · Aug 7, 2026 High

CVE-2026-12537CVE-2026-54316ci/cdinput validationcommand injection

All articles mentioning it

Advisories and references

• github.com/google-github-actions/run-gemini-cli/security/advisories...