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CVE-2026-87987

10.0 criticalEPSS 0.6%

Critical (10.0). EPSS 0.6% chance of exploitation in the next 30 days.

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution 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
0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE
CWE-15
Published
Modified
Record from
the NVD, synced

References

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