{"id":"CVE-2026-13745","aliases":["EUVD-2026-75326","GHSA-2255-3477-vp73"],"status":"published","title":"Arbitrary 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.","severity":{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00652,"percentile":0.5152,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-15","CWE-20","CWE-829"],"published":"2026-09-10T08:33:09Z","modified":"2026-10-20T11:18:36Z","products":[{"vendor":"google cloud","product":"gemini cli"}],"references":[{"url":"https://github.com/google-gemini/gemini-cli/releases/tag/v0.39.1","tags":["web"]},{"url":"https://www.redguard.ch/blog/2026/06/03/advisory-google-gemini-cli/","tags":["advisory"]},{"url":"https://www.pwned.info/articles/homing-in-on-arbitrary-code-execution-within-gemini-cli/","tags":["web"]},{"url":"https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13745"},{"url":"https://github.com/google-github-actions/run-gemini-cli/releases/tag/v0.1.22"},{"url":"https://www.pwned.info/articles/homing-in-on-arbitrary-code-execution-within-gemini-cli"},{"url":"https://www.redguard.ch/blog/2026/06/03/advisory-google-gemini-cli"},{"url":"https://github.com/advisories/GHSA-2255-3477-vp73"}],"sources":{"cve":[{"id":"CVE-2026-13745","title":"Arbitrary 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.","status":"published","published":"2026-09-10T08:33:09.309Z","modified":"2026-09-23T09:48:39.517Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber","level":"high","assessor":"cna"}],"cwes":["CWE-829","CWE-15"],"updated_at":"2026-11-02T14:19:49.885652Z"}],"euvd":[{"id":"EUVD-2026-75326","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.","status":"published","published":"2026-09-10T08:33:09Z","modified":"2026-09-23T09:48:39Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Amber","level":"high"}],"updated_at":"2026-11-02T17:28:01.283316Z"}],"ghsa":[{"id":"GHSA-2255-3477-vp73","title":"A vulnerability in the Gemini CLI and associated GitHub Action allowed an unprivileged attacker...","description":"A vulnerability in the Gemini CLI and associated GitHub Action allowed an unprivileged attacker to achieve an arbitrary code execution in Gemini CLI via untrusted local .env files overriding GEMINI_CLI_HOME.","status":"published","published":"2026-09-10T09:31:33Z","modified":"2026-09-23T12:31:08Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber","level":"critical"}],"cwes":["CWE-15","CWE-20"],"updated_at":"2026-11-02T15:12:19.869437Z"}],"nvd":[{"id":"CVE-2026-13745","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.","status":"published","published":"2026-09-10T09:17:00.703Z","modified":"2026-09-23T10:17:06.027Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber","level":"high","assessor":"secondary"}],"cwes":["CWE-15","CWE-829"],"updated_at":"2026-11-02T14:12:45.93749Z"}],"osv":[{"id":"CVE-2026-13745","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.","status":"published","published":"2026-09-10T09:17:00.703Z","modified":"2026-10-20T11:18:36.149613126Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber","level":"high"}],"updated_at":"2026-11-02T15:44:57.354194Z"}]}}