CVE-2026-87984
Severity not reportedData quality: partial.
Some fields were not provided by the source.
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 workspac…
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.
CVSS
—
Not reported by the source
Timeline (UTC)
Published: 2026-09-11 15:17
Modified: 2026-09-11 17:35
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe2 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗