Paper/Archive/CVE-2026-87985

CVE-2026-87985

mistralai mistral-vibe — An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted argu…

EPSS 0.6%CVSS 10.0

critical.is priorityof 100

CVSS 10.0 (CNA)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 EPSS percentile 46.9.469 × 209.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.

Affected

ProductAffectedFixed inSource

mistral-vibe2.9.0 – *–CNA

Scores by source

HiddenLayer (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refhiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe3