OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed.
Date: 2026-06
Attack vector: rce
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2026-41283
CWE: CWE-749
CWE-863
CVSS: 9.9 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)

OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.


Mitigations:

Architectural layers (MAESTRO):