Openstack Mistral vulnerabilities

5 CVEs affecting Openstack Mistral, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-97147, published 2026-10-08.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2026-41283, published 2026-06-04. Critical severity, CVSS 9.9. EPSS: 0.9% chance of exploitation in the next 30 days. 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.
CVE-2026-93858, published 2026-10-08. High severity, CVSS 8.7. EPSS: 0.4% chance of exploitation in the next 30 days. In OpenStack Mistral through 23.0.0, the std.ssh_proxied action passes a caller-supplied proxy_command value directly to paramiko.ProxyCommand() before any SSH connection to a gateway or target host…
CVE-2026-93860, published 2026-10-08. High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days. In OpenStack Mistral through 23.0.0, the /v2/maintenance API controller clears the request context and calls the maintenance service directly without any policy enforcement. Any holder of a valid…
CVE-2026-97147, published 2026-10-08. High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days. In OpenStack Mistral through 23.0.0, several of the v2 API write paths resolve the target object with a query that can return another project's resource, then write to it. An authenticated project…
CVE-2026-93861, published 2026-10-08. Medium severity, CVSS 6.0. EPSS: 0.3% chance of exploitation in the next 30 days. In OpenStack Mistral through 23.0.0, the workflow membership API lets a project that has accepted a share of another project's private workflow create a further membership naming a third project. The…