CVE-2026-87988: Mistralai Mistral-Vibe

Critical severity, CVSS 10.0. EPSS: 0.4% chance of exploitation in the next 30 days.

An arbitrary file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions through commands classified as unconditionally allowed. Missing path validation for these commands enables access to files outside the active workspace without user approval.

Affected products

• Mistralai Mistral-Vibe: from 2.15.0

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