{"id":"CVE-2026-79650","state":"PUBLISHED","title":"Apache CXF: OIDC RP Open Redirect","description":"Apache CXF’s OIDC relying-party component could redirect users to an attacker-controlled URL after successful authentication. The issue occurs because attacker-controlled state parameters are preserved and later used as redirect targets without validating that the final decoded URI belongs to the RP’s origin. Both directly encoded and double-encoded external URLs can trigger the issue, depending on which validation path is used. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.","publishedAt":"2026-10-09T10:18:21.966Z","updatedAt":"2026-10-15T16:20:11.251Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache CXF"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache CXF","packageName":"org.apache.cxf:cxf-rt-rs-security-sso-oidc","packageURL":"pkg:maven/org.apache.cxf/cxf-rt-rs-security-sso-oidc","defaultStatus":"unaffected","versions":[{"version":"4.2.0","status":"affected","lessThan":"4.2.4","versionType":"semver"},{"version":"4.0.0","status":"affected","lessThan":"4.1.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"3.6.13","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread.html/xj0x1r617j1z8jtyypngvwhckb3o205h","http://www.openwall.com/lists/oss-security/2026/10/09/7"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/79xxx/CVE-2026-79650.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79650","state":"PUBLISHED","datePublished":"2026-10-09T10:18:21.966Z","dateUpdated":"2026-10-15T16:20:11.251Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-08-25T10:36:59.090Z"},"containers":{"cna":{"title":"Apache CXF: OIDC RP Open Redirect","descriptions":[{"lang":"en","value":"Apache CXF’s OIDC relying-party component could redirect users to an attacker-controlled URL after successful authentication. The issue occurs because attacker-controlled state parameters are preserved and later used as redirect targets without validating that the final decoded URI belongs to the RP’s origin. Both directly encoded and double-encoded external URLs can trigger the issue, depending on which validation path is used. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache CXF","packageName":"org.apache.cxf:cxf-rt-rs-security-sso-oidc","packageURL":"pkg:maven/org.apache.cxf/cxf-rt-rs-security-sso-oidc","defaultStatus":"unaffected","versions":[{"version":"4.2.0","status":"affected","lessThan":"4.2.4","versionType":"semver"},{"version":"4.0.0","status":"affected","lessThan":"4.1.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"3.6.13","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread.html/xj0x1r617j1z8jtyypngvwhckb3o205h","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"important"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","description":"CWE-601 URL redirection to untrusted site ('open redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-10-09T10:18:21.966Z"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Guanping Zhang reported this vulnerability","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/09/7"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-10-09T11:08:00.240Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.1,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T16:19:27.910552Z","id":"CVE-2026-79650","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":"2026-10-15T16:20:11.251Z"}}]}}}