CVE-2026-87987

published 2026-09-11

CVE-2026-87987: An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments…

Priority P2 62 critical 10 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

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
mistralai	mistral-vibe	2.6.0 – *	—

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