{"id":"CVE-2026-93860","title":"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","summary":"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 Mistral token, regardless of assigned rol…","severity":"high","cvss":7.1,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-862"],"vendor":"OpenStack","product":"Mistral","affected":["Mistral < 20.1.1","Mistral >= 21.0.0 < 21.0.1","Mistral >= 22.0.0 < 22.0.1","Mistral 23.0.0"],"published":"2026-10-08","updated":"2026-10-09","sourceUpdated":"2026-10-09T12:17:13.113","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93860","references":[{"url":"https://launchpad.net/bugs/2162789","label":"cve@mitre.org"},{"url":"https://security.openstack.org/ossa/OSSA-2026-044.html","label":"cve@mitre.org"},{"url":"https://bugs.launchpad.net/ossa/+bug/2162789","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93860.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93860"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2544712"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93860"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93860"}],"tags":["nvd","cve.org","csaf","vex","red-hat","exploit-available"],"cvssSource":"cna","ingestedAt":"2026-10-08T17:56:11.732Z","scores":{"cna":7.1,"vendor":6.5},"epss":0.00414,"epssPercentile":0.35565,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-09T11:42:27.603968Z"},"slug":"CVE-2026-93860","body":"## Overview\n\nIn 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 Mistral token, regardless of assigned role, can read and change the service's cluster-wide maintenance state. Setting the state to PAUSED stops processing of new workflow and execution objects across all tenant projects until an operator restores it.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat OpenStack Platform 13 (Queens) · no fix planned: Red Hat OpenStack Platform 13 (Queens) · updated 2026-10-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93860.json)","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":220561,"id":"CVE-2026-93860","ts":1792022793281,"field":"exploit_available","old":"false","new":"true"}]}