What’s Vulnerable › Vulnerabilities

CVE-2026-87986

• Severity: critical (CVSS 10.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-11 · updated 2026-09-11
• Weakness: CWE-228

Description

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.

Affected products

• mistralai mistral-vibe: from 1.3.4

References

• https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe4

Get alerted when CVE-2026-87986 or the next vulnerability affects your stack