Arbitrary Code Execution Vulnerability in Mistral Vibe Software by HiddenLayer
CVE-2026-87985

10CRITICAL

Key Information:

Vendor

Mistralai

Status
Mistral-vibe
Vendor
CVE Published:
11 September 2026

What is CVE-2026-87985?

An arbitrary code execution vulnerability exists in Mistral Vibe, enabling attackers to bypass command permission checks through the manipulation of ANSI-C quoted arguments. Due to inadequate inspection of these arguments, a malicious user can craft a command that appears on the allowlist, leading to the execution of arbitrary code on a user's system without their consent. This flaw presents significant risks to users and necessitates immediate attention from all Mistral Vibe users to ensure system integrity.

Affected Version(s)

mistral-vibe 2.9.0

References

https://www.hiddenlayer.com/sai-security-advisory/2026-09...

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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