CVE-2026-13745Arbitrary Code Execution in Gemini CLI via Untrusted Local .env Files Overriding GEMINI_CLI_HOME

Description

A vulnerability in the Gemini CLI prior to version 0.39.1 allows attackers to achieve arbitrary code execution by tricking a victim into starting the CLI within an untrusted directory. The vulnerability is triggered via untrusted .env files overriding GEMINI_CLI_HOME to load malicious configuration files and bypass folder trust prompts.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/google-gemini/gemini-cli/releases/tag/v0.39.1
• https://www.redguard.ch/blog/2026/06/03/advisory-google-gemini-cli/
• https://www.pwned.info/articles/homing-in-on-arbitrary-code-execution-within-gemini-cli/