{"id":"CVE-2026-23552","state":"PUBLISHED","title":"Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy","description":"Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue.","publishedAt":"2026-02-23T08:45:36.154Z","updatedAt":"2026-02-23T15:40:59.201Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Camel"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Camel","packageName":"org.apache.camel:camel-keycloak","defaultStatus":"unaffected","versions":[{"version":"4.15.0","status":"affected","lessThan":"4.18.0","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://camel.apache.org/security/CVE-2026-23552.html","https://github.com/oscerd/CVE-2026-23552","http://www.openwall.com/lists/oss-security/2026/02/18/7"],"weaknesses":["CWE-346"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23552.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23552","state":"PUBLISHED","datePublished":"2026-02-23T08:45:36.154Z","dateUpdated":"2026-02-23T15:40:59.201Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-01-14T12:27:42.250Z"},"containers":{"cna":{"title":"Apache Camel: Camel-Keycloak: Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy","descriptions":[{"lang":"en","value":"Cross-Realm Token Acceptance Bypass in KeycloakSecurityPolicy Apache Camel Keycloak component. \n\nThe Camel-Keycloak KeycloakSecurityPolicy does not validate the iss (issuer) claim of JWT tokens against the configured realm. A token issued by one Keycloak realm is silently accepted by a policy configured for a completely different realm, breaking tenant isolation.\nThis issue affects Apache Camel: from 4.15.0 before 4.18.0.\n\nUsers are recommended to upgrade to version 4.18.0, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Camel","packageName":"org.apache.camel:camel-keycloak","defaultStatus":"unaffected","versions":[{"version":"4.15.0","status":"affected","lessThan":"4.18.0","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://camel.apache.org/security/CVE-2026-23552.html","tags":["vendor-advisory"]},{"url":"https://github.com/oscerd/CVE-2026-23552","tags":["exploit"]}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","description":"CWE-346 Origin Validation Error","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-02-23T08:45:36.154Z"},"credits":[{"lang":"en","type":"finder","value":"Andrea Cosentino"},{"lang":"en","type":"remediation developer","value":"Andrea Cosentino"}],"source":{"defect":["CAMEL-22854"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/02/18/7"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-02-23T09:21:26.298Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-23T15:38:52.061419Z","id":"CVE-2026-23552","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-23T15:40:59.201Z"}}]}}}