{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-22797", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-01-19T18:08:40.994Z", "dateReserved": "2026-01-09T00:00:00.000Z", "datePublished": "2026-01-19T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "keystonemiddleware", "vendor": "OpenStack", "versions": [{"lessThan": "10.7.2", "status": "affected", "version": "10.5.0", "versionType": "semver"}, {"lessThan": "10.9.1", "status": "affected", "version": "10.8.0", "versionType": "semver"}, {"lessThan": "10.12.1", "status": "affected", "version": "10.10.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1. The external_oauth2_token middleware fails to sanitize incoming authentication headers before processing OAuth 2.0 tokens. By sending forged identity headers such as X-Is-Admin-Project, X-Roles, or X-User-Id, an authenticated attacker may escalate privileges or impersonate other users. All deployments using the external_oauth2_token middleware are affected."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-01-19T17:29:49.267Z"}, "references": [{"url": "https://launchpad.net/bugs/2129018"}, {"url": "https://www.openwall.com/lists/oss-security/2026/01/16/9"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 9.9, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L"}}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.5.0", "versionEndExcluding": "10.7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.8.0", "versionEndExcluding": "10.9.1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.10.0", "versionEndExcluding": "10.12.1"}]}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/01/15/1"}, {"url": "http://www.openwall.com/lists/oss-security/2026/01/16/2"}, {"url": "http://www.openwall.com/lists/oss-security/2026/01/16/3"}, {"url": "http://www.openwall.com/lists/oss-security/2026/01/16/9"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-01-19T18:08:40.994Z"}}]}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1. The external_oauth2_token middleware fails to sanitize incoming authentication headers before processing OAuth 2.0 tokens. By sending forged identity headers such as X-Is-Admin-Project, X-Roles, or X-User-Id, an authenticated attacker may escalate privileges or impersonate other users. All deployments using the external_oauth2_token middleware are affected."}], "id": "CVE-2026-22797", "lastModified": "2026-01-19T19:16:03.727", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-01-19T18:16:04.950", "references": [{"source": "cve@mitre.org", "url": "https://launchpad.net/bugs/2129018"}, {"source": "cve@mitre.org", "url": "https://www.openwall.com/lists/oss-security/2026/01/16/9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/01/15/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/01/16/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/01/16/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/01/16/9"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{}