CVE-2026-66139

{"id": "CVE-2026-66139", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-66139", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-24T12:27:21.486675Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "OpenStack", "product": "Zaqar", "versions": [{"status": "affected", "version": "12.0.0", "lessThan": "20.1.1", "versionType": "semver"}, {"status": "affected", "version": "21.0.0"}, {"status": "affected", "version": "22.0.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-24T05:16:49.577", "references": [{"url": "https://bugs.launchpad.net/ossa/+bug/2161254", "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2026/07/23/7", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/07/24/27", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known."}], "lastModified": "2026-07-30T19:32:25.133", "sourceIdentifier": "cve@mitre.org"}