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Critical · 10.0 CVE-2026-87987 EUVD-2026-76122GHSA-r6r3-x5p3-g7m8

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable…

Published Sep 11, 2026 · Updated Sep 11, 2026 · Assigned by HiddenLayer

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.

Affected products

VendorProductAffectedFixed
mistralai mistral-vibe 2.6.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Tumbleweed mistral-vibe 2.25.4-1.1 openSUSE-SU-2026:11778-1

Advisories 1

References