CVE-2026-87988

10.0 criticalEPSS 0.4%

Critical (10.0). EPSS 0.4% chance of exploitation in the next 30 days.

An arbitrary file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions through commands classified as unconditionally allowed. Missing path validation for these commands enables access to files outside the active workspace without user approval.

Severity

CVSS 4.0

10.0 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2026-09-11
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

References

https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe6

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