SEPTEMBER 14, 2026
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Case File

CVE-2026-87984

CRITICAL · CVSS 9.3 EPSS 0.43%

Source: NVD + CISA KEV + EPSS · Published 2026-09-11 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

An arbitrary file write vulnerability in Mistral Vibe, starting from version 1.3.4, allows attackers to create or overwrite files outside the designated workspace without user consent. This flaw bypasses permission checks for shell redirection, potentially enabling malicious commands to manipulate sensitive files on the system. Organizations using Mistral Vibe should prioritize patching this vulnerability to mitigate the risk of unauthorized file access and potential system compromise.

CVE
CVE-2026-87984
Severity
CRITICAL
CVSS
9.3
EPSS
0.43%

Original NVD 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.