CVE-2026-87985: Mistralai Mistral-Vibe

Critical severity, CVSS 10.0. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Mistralai Mistral-Vibe: from 2.9.0

Published 2026-09-11. Last modified 2026-09-11.