VulnerabilityAwaiting Analysis
CVE-2026-41283
OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed.
CRITICAL 9.9EPSS 0.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.73% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863, CWE-749
- Source
- cve@mitre.org
References
- https://github.com/openstack/mistral/tags
- https://security.openstack.org/ossa/OSSA-2026-020.html
- https://www.openwall.com/lists/oss-security/2026/06/03/14
- http://www.openwall.com/lists/oss-security/2026/06/03/14
- https://access.redhat.com/security/cve/CVE-2026-41283
- https://bugzilla.redhat.com/show_bug.cgi?id=2484607
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41283.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.