{"schemaVersion":3,"id":"CVE-2026-23552","aliases":["GHSA-c3f3-cc42-xr9v"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2026-02-23T08:45:36.154Z","modified":"2026-02-23T15:40:59.201Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.1,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.1,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":9.1,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":10,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.1,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00593,"percentile":0.47336,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.16500000000000004,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00428},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00436,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00436,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00593,"percentile":0.47336}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00436,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00436,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00593,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00593,"percentile":0.47336}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_OSCERD_CVE-2026-23552","name":"Cve 2026 23552","source":"github","url":"https://github.com/oscerd/CVE-2026-23552","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-346","name":"Origin Validation Error","description":"The product does not properly verify that the source of data or communication is valid.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/346.html"}],"affected":[{"vendor":"apache software foundation","product":"apache camel","name":"Apache Camel","label":"apache camel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.15.0, < 4.18.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.15.0, < 4.18.0","eol":null,"hubHref":"/vendor/apache_software_foundation/apache_camel"},{"vendor":"apache","product":"camel","name":"camel","label":"camel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.15.0, < 4.18.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.15.0, < 4.18.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"apache-camel","label":"Apache Camel","category":"framework"}},"hubHref":"/vendor/apache/camel"},{"vendor":"org.apache.camel","product":"camel-keycloak","name":"org.apache.camel:camel-keycloak","label":"camel-keycloak","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.apache.camel/camel-keycloak","purlType":"maven","versions":[{"text":"≥ 4.15.0, < 4.18.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.15.0, < 4.18.0","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://camel.apache.org/security/CVE-2026-23552.html","label":"camel.apache.org/security/CVE-2026-23552.html","hostname":"camel.apache.org","tags":["Vendor Advisory","WEB"]},{"url":"https://github.com/oscerd/CVE-2026-23552","label":"github.com/oscerd/CVE-2026-23552","hostname":"github.com","tags":["Exploit","WEB","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/02/18/7","label":"www.openwall.com/lists/oss-security/2026/02/18/7","hostname":"www.openwall.com","tags":["WEB","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23552","label":"nvd.nist.gov/vuln/detail/CVE-2026-23552","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/apache/camel/commit/c1ed776e3a4fa23d15acf4b9a48fdf758d4316ff","label":"github.com/apache/camel/commit/c1ed776e3a4fa23d15acf4b9a48fdf758d4316ff","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/apache/camel","label":"github.com/apache/camel","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://issues.apache.org/jira/browse/CAMEL-22854","label":"issues.apache.org/jira/browse/CAMEL-22854","hostname":"issues.apache.org","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-02-23T08:45:36.154Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-23T15:40:59.201Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T11:41:02.008Z","stale":false,"partial":false}}