{"api_version":"1","generated_at":"2026-05-08T10:59:43+00:00","cve":"CVE-2026-40214","urls":{"html":"https://cve.report/CVE-2026-40214","api":"https://cve.report/api/cve/CVE-2026-40214.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-40214","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-40214"},"summary":{"title":"CVE-2026-40214","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.","state":"PUBLISHED","assigner":"mitre","published_at":"2026-05-07 22:16:35","updated_at":"2026-05-07 22:16:35"},"problem_types":["CWE-282","CWE-282 CWE-282 Improper Ownership Management"],"metrics":[{"version":"3.1","source":"cve@mitre.org","type":"Secondary","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","data":{"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"}}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2026/05/07/6","name":"https://www.openwall.com/lists/oss-security/2026/05/07/6","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugs.launchpad.net/openstack-cyborg/+bug/2144056","name":"https://bugs.launchpad.net/openstack-cyborg/+bug/2144056","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-40214","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40214","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"OpenStack","product":"Cyborg","version":"affected 3.0.0 14.0.1 semver","platforms":[]},{"source":"CNA","vendor":"OpenStack","product":"Cyborg","version":"affected 15.0.0 15.0.1 semver","platforms":[]},{"source":"CNA","vendor":"OpenStack","product":"Cyborg","version":"affected 16.0.0 16.0.1 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Cyborg","vendor":"OpenStack","versions":[{"lessThan":"14.0.1","status":"affected","version":"3.0.0","versionType":"semver"},{"lessThan":"15.0.1","status":"affected","version":"15.0.0","versionType":"semver"},{"lessThan":"16.0.1","status":"affected","version":"16.0.0","versionType":"semver"}]}],"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."}],"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":{"dateUpdated":"2026-05-07T21:54:10.614Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://bugs.launchpad.net/openstack-cyborg/+bug/2144056"},{"url":"https://www.openwall.com/lists/oss-security/2026/05/07/6"}],"x_generator":{"engine":"enrichogram 0.0.1"}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2026-40214","datePublished":"2026-05-07T00:00:00.000Z","dateReserved":"2026-04-10T00:00:00.000Z","dateUpdated":"2026-05-07T21:54:10.614Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-07 22:16:35","lastModifiedDate":"2026-05-07 22:16:35","problem_types":["CWE-282","CWE-282 CWE-282 Improper Ownership Management"],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":3.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"40214","Ordinal":"1","Title":"CVE-2026-40214","CVE":"CVE-2026-40214","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"40214","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"CVE-2026-40214"}]}}}