CVE-2026-12537
EUVD-2026-3879024.06.2026, 14:17
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.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| gemini-cli | 𝑥 < 0.39.1 | |
| gemini-cli | 0.40.0:preview2 | |
| run-gemini-cli | 𝑥 < 0.1.22 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-20 - Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Vulnerability Media Exposure