HighVulnerabilityLLM-specific

CVE-2026-93993: Mistral Vibe remote code execution through git hooks in worktree creation

Source: NVD(opens in a new tab)
Identifier: CVE-2026-93993
Published: September 19, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.8%

Summary

Mistral Vibe before 2.25.5 contains a remote code execution flaw in its worktree creation process, which runs git hooks before trust validation. An attacker who supplies a repository with a crafted post-checkout hook can execute arbitrary shell commands with the privileges of the user running Vibe.

Mitigation

Fixed in 2.25.5. The source does not discuss any other mitigation.

Details

Scores and exploitation

CVSS score: 8.8(high)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector: network
Attack complexity: low
Privileges required: none
User interaction: required
EPSS: 0.8%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 3, 2026.
Disclosure date: September 19, 2026

Weaknesses and techniques

Weakness (CWE): CWE-829
Attack pattern (CAPEC): CAPEC-437
AI threat technique (MITRE ATLAS): AML.T0010

Affected

Vendors: Mistral

Classification

Attack type: Supply chain
Attack sophistication: Moderate
AI component targeted: API
Impact: Confidentiality,
Integrity,
Availability
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-2026-93993

First tracked: September 19, 2026 at 08:09 PM ET, from NVD/CVE Database

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

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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