Critical
nvd
·
CVE-2026-87984
CVE-2026-87984: An arbitrary file write vulnerability in Mistral Vibe, introduced in version 1.3.4, allows an attacker to create or over
Published Sep 11, 2026
CVSS 9.3
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 AI Products
mistral