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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-87984

An arbitrary file write vulnerability in Mistral Vibe, introduced in version 1.3.4, allows an attacker to create or overwrite files outside the active workspace without user approv

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Status
Published
Published
Updated
Assigning organization
HiddenLayer

Description

An arbitrary file write vulnerability in Mistral Vibe, introduced in version 1.3.4, allows an attacker to create or overwrite files outside the active workspace without user approval. Shell redirection destinations are omitted from permission checks, enabling otherwise allowlisted commands to write to arbitrary paths accessible to the Vibe process.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

mistralai mistral-vibe

Default version status: unaffected

  • 1.3.4 to ≤ *affected

References