HighVulnerabilityLLM-specific

CVE-2026-87985: Mistral Vibe arbitrary code execution via ANSI-C quoted command arguments

Source: NVD(opens in a new tab)
Identifier: CVE-2026-87985
Published: September 11, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.6%

Summary

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

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

EPSS: 0.6%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.
Disclosure date: September 11, 2026

Weaknesses and techniques

Weakness (CWE): CWE-184

Affected

Vendors: Mistral

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Agent
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-87985

First tracked: September 11, 2026 at 02:08 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Summary

Mitigation

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