{"id":"CVE-2026-66139","state":"PUBLISHED","title":"OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.","description":"OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.","publishedAt":"2026-07-24T04:14:41.795Z","updatedAt":"2026-07-24T23:22:06.300Z","severity":{"score":4.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","source":"mitre"},"assigner":"mitre","products":["OpenStack Zaqar"],"affected":[{"vendor":"OpenStack","product":"Zaqar","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThan":"20.1.1","versionType":"semver"},{"version":"21.0.0","status":"affected"},{"version":"22.0.0","status":"affected"}]}],"references":["https://www.openwall.com/lists/oss-security/2026/07/23/7","https://bugs.launchpad.net/ossa/+bug/2161254","http://www.openwall.com/lists/oss-security/2026/07/24/27"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/66xxx/CVE-2026-66139.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66139","state":"PUBLISHED","datePublished":"2026-07-24T04:14:41.795Z","dateUpdated":"2026-07-24T23:22:06.300Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-07-24T04:14:41.411Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known."}],"affected":[{"vendor":"OpenStack","product":"Zaqar","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThan":"20.1.1","versionType":"semver"},{"version":"21.0.0","status":"affected"},{"version":"22.0.0","status":"affected"}]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2026/07/23/7"},{"url":"https://bugs.launchpad.net/ossa/+bug/2161254"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-07-24T04:14:41.795Z"},"x_generator":{"engine":"CVE-Request-form 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-24T12:27:21.486675Z","id":"CVE-2026-66139","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":"2026-07-24T12:27:30.168Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/24/27"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-24T23:22:06.300Z"}}]}}}