{"id":"CVE-2026-40214","state":"PUBLISHED","title":"In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column in the database is never populated (NULL","description":"In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column in the database is never populated (NULL for every ARQ), database queries have no project filtering, and policy checks are self-referential (the authorize_wsgi decorator compares the caller's project_id with itself rather than the target resource). Any authenticated non-admin user can complete various actions such as deleting ARQs bound to other projects' instances, aka cross-tenant denial of service.","publishedAt":"2026-05-07T00:00:00.000Z","updatedAt":"2026-05-08T15:47:39.031Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","source":"mitre"},"assigner":"mitre","products":["OpenStack Cyborg"],"affected":[{"vendor":"OpenStack","product":"Cyborg","defaultStatus":"unaffected","versions":[{"version":"3.0.0","status":"affected","lessThan":"14.0.1","versionType":"semver"},{"version":"15.0.0","status":"affected","lessThan":"15.0.1","versionType":"semver"},{"version":"16.0.0","status":"affected","lessThan":"16.0.1","versionType":"semver"}]}],"references":["https://bugs.launchpad.net/openstack-cyborg/+bug/2144056","https://www.openwall.com/lists/oss-security/2026/05/07/6","https://security.openstack.org/ossa/OSSA-2026-011.html"],"weaknesses":["CWE-282"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40214.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40214","state":"PUBLISHED","datePublished":"2026-05-07T00:00:00.000Z","dateUpdated":"2026-05-08T15:47:39.031Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-04-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In OpenStack Cyborg before 16.0.1, the Accelerator Request (ARQ) API does not enforce project ownership at any layer. The project_id column in the database is never populated (NULL for every ARQ), database queries have no project filtering, and policy checks are self-referential (the authorize_wsgi decorator compares the caller's project_id with itself rather than the target resource). Any authenticated non-admin user can complete various actions such as deleting ARQs bound to other projects' instances, aka cross-tenant denial of service."}],"affected":[{"vendor":"OpenStack","product":"Cyborg","defaultStatus":"unaffected","versions":[{"version":"3.0.0","status":"affected","lessThan":"14.0.1","versionType":"semver"},{"version":"15.0.0","status":"affected","lessThan":"15.0.1","versionType":"semver"},{"version":"16.0.0","status":"affected","lessThan":"16.0.1","versionType":"semver"}]}],"references":[{"url":"https://bugs.launchpad.net/openstack-cyborg/+bug/2144056"},{"url":"https://www.openwall.com/lists/oss-security/2026/05/07/6"},{"url":"https://security.openstack.org/ossa/OSSA-2026-011.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-282","description":"CWE-282 Improper Ownership Management","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-08T15:47:39.031Z"},"x_generator":{"engine":"enrichogram 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T13:56:29.773972Z","id":"CVE-2026-40214","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-08T13:56:38.717Z"}}]}}}