CVE-2026-41283CWE-863

OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed

Critical · published June 4, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
59.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00915 · 59.8th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-06-04T00:00Z
EPSS history
Timeline
  • 04 JUN 00:00Z
    OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed
    cvelistv5