CVE-2026-87984 — mistralai / mistral-vibe

CVE-2026-87984

mistralai / mistral-vibe PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
mistralai / mistral-vibe	affected 1.3.4 through *

CWE

CWE-22

References

https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe2

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.