CVE-2026-87986

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.

Scoring

Severity
CRITICAL
CVSS base score
10
CVSS 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
CWE
CWE-228
Published
2026-09-11
Last modified
2026-09-11

Affected products

Weakness type

Related vulnerabilities

Markdown version · Browse all CVEs