CVE-2026-12537 (GCVE-0-2026-12537)
Vulnerability from cvelistv5 – Published: 2026-06-24 13:37 – Updated: 2026-06-24 13:53
VLAI
EPSS
VEX
Title
Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 13:52 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Google Cloud | Gemini CLI |
Affected:
0 , < 0.39.1
(custom)
|
guessed | |
| Google Cloud | run-gemini-cli GitHub Action |
Affected:
0 , < 0.1.22
(custom)
|
guessed |
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