{"id":"CVE-2026-87985","aliases":["EUVD-2026-76120","GHSA-8555-f52w-mpcf"],"status":"published","title":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command...","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.","severity":{"version":"4.0","score":10,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00564,"percentile":0.47207,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-184"],"published":"2026-09-11T14:26:53Z","modified":"2026-09-11T17:35:21Z","products":[{"vendor":"mistralai","product":"mistral-vibe"}],"references":[{"url":"https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe3"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87985"},{"url":"https://github.com/advisories/GHSA-8555-f52w-mpcf"}],"sources":{"cve":[{"id":"CVE-2026-87985","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.","status":"published","published":"2026-09-11T14:26:53.768Z","modified":"2026-09-11T14:57:01.673Z","cvss":[{"version":"4.0","score":10,"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","level":"critical","assessor":"cna"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T13:37:58.613221Z"}],"euvd":[{"id":"EUVD-2026-76120","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.","status":"published","published":"2026-09-11T14:26:53Z","modified":"2026-09-11T14:57:01Z","cvss":[{"version":"4.0","score":10,"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","level":"critical"}],"updated_at":"2026-11-02T17:28:22.567961Z"}],"ghsa":[{"id":"GHSA-8555-f52w-mpcf","title":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command...","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.","status":"published","published":"2026-09-11T15:32:42Z","modified":"2026-09-11T15:32:43Z","cvss":[{"version":"4.0","score":10,"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/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:X","level":"critical"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T15:11:45.091927Z"}],"nvd":[{"id":"CVE-2026-87985","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.","status":"published","published":"2026-09-11T15:17:07.52Z","modified":"2026-09-11T17:35:21.44Z","cvss":[{"version":"4.0","score":10,"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/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:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-184"],"updated_at":"2026-11-02T14:12:46.271848Z"}]}}