# CVE-2026-87986

> CVE-2026-87986. CVSS 10.0 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-87986
Last updated: 2026-09-11T17:35:21Z

- Published: 2026-09-11 14:31 UTC · Updated: 2026-09-11 17:35 UTC · Assigner: HiddenLayer
- CVSS: 10.0 (CVSS 4.0) · Severity: Critical
- EPSS: 0.56%, 47th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: 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 vendors and products

- mistralai: mistral-vibe

## Tracked companies

- [Mistral AI](https://rewindex.com/company/mistral-ai.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-87986)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-87986)
- [https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe4](https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe4)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-87986 · Markdown: https://rewindex.com/cve/CVE-2026-87986.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-87986 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:19.872Z