# CVE-2026-87985

## Summary

- **CVE ID:** CVE-2026-87985
- **Severity:** CRITICAL
- **CVSS Score:** 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)
- **CWE:** CWE-184
- **Published:** Sep 11, 2026
- **Last Modified:** Sep 11, 2026

## Description

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 Products

- mistralai — mistral-vibe (2.9.0)

## References

- [CNA](https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe3)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.5

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._