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.

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Fixes

Solution

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Workaround

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History

Sun, 13 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Mistral
Mistral mistral-vibe
Vendors & Products Mistral
Mistral mistral-vibe

Fri, 11 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Title Arbitrary Code Execution via ANSI-C Quoted Argument Bypass in Mistral Vibe
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 11 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-184
References
Metrics cvssV4_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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: HiddenLayer

Published:

Updated: 2026-09-11T14:57:01.673Z

Reserved: 2026-09-09T19:14:18.451Z

Link: CVE-2026-87985

cve-icon Vulnrichment

Updated: 2026-09-11T14:55:04.949Z

cve-icon NVD

Status : Deferred

Published: 2026-09-11T15:17:07.520

Modified: 2026-09-11T17:35:21.440

Link: CVE-2026-87985

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-13T19:15:14Z

Weaknesses