CVEvulnerability

CVE-2026-87984

9.3 CRITICAL Published 2026-09-11 Modified 2026-09-11 Official page ↗
Status
Deferred
Published
2026-09-11
Last modified
2026-09-11
Assigner
6f8de1f0-f67e-45a6-b68f-98777fdb759c
CVSS 4.0 (6f8de1f0-f67e-45a6-b68f-98777fdb759c)
9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-22

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.

Related

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References