# CVE-2026-87987

> CVE-2026-87987. CVSS 10.0 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-87987
Last updated: 2026-09-11T17:35:21Z

- Published: 2026-09-11 14:34 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-15

## Description

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.

## 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-2026-87987)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-87987)
- [https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe5](https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe5)

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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-2026-87987 · Markdown: https://rewindex.com/cve/CVE-2026-87987.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-87987 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:34.253Z