CVE-2026-87987: critical vulnerability in mistralai mistral-vibe
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 10epss 0.6%
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.
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
Affected products
mistralai · mistral-vibeRelated CVEs — mistralai mistral-vibe
In the same product, most dangerous first.
CVE-2026-67623HIGHMistral Vibe < 2.23.3 Arbitrary Command Execution via git fsmonitor HookEPSS 1.1%CVE-2026-93993HIGHMistral Vibe before 2.25.5 Remote Code Execution via git post-checkoutEPSS 0.8%CVE-2026-87983CRITICALCVE-2026-87983EPSS 0.6%CVE-2026-87986CRITICALCVE-2026-87986EPSS 0.6%CVE-2026-87985CRITICALCVE-2026-87985EPSS 0.6%CVE-2026-109429HIGHMistral Vibe < 2.25.4 Bash Permission Bypass via ${var@P} Prompt-TransformEPSS 0.6%