{"id":"CVE-2026-87987","aliases":["EUVD-2026-76122","GHSA-r6r3-x5p3-g7m8","openSUSE-SU-2026:11778-1"],"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 environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user 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-15"],"published":"2026-09-11T14:34:01Z","modified":"2026-09-15T10:15:05Z","affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"mistral-vibe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25.4-1.1"}]}],"bundled":2}],"products":[{"vendor":"mistralai","product":"mistral-vibe"}],"references":[{"url":"https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe5"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87987"},{"url":"https://github.com/advisories/GHSA-r6r3-x5p3-g7m8"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-87984","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-87987","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-87987","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.","status":"published","published":"2026-09-11T14:34:01.384Z","modified":"2026-09-11T14:59:37.174Z","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-15"],"updated_at":"2026-11-02T13:37:47.463822Z"}],"euvd":[{"id":"EUVD-2026-76122","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.","status":"published","published":"2026-09-11T14:34:01Z","modified":"2026-09-11T14:59:37Z","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-r6r3-x5p3-g7m8","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 environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user 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-15"],"updated_at":"2026-11-02T15:11:45.091927Z"}],"nvd":[{"id":"CVE-2026-87987","description":"An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.","status":"published","published":"2026-09-11T15:17:07.793Z","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-15"],"updated_at":"2026-11-02T14:12:46.271848Z"}],"osv":[{"id":"openSUSE-SU-2026:11778-1","title":"mistral-vibe-2.25.4-1.1 on GA media","description":"These are all security issues fixed in the mistral-vibe-2.25.4-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-15T10:15:05.08656543Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}