{"id":"CVE-2026-9800","aliases":["BIT-keycloak-2026-9800","EUVD-2026-39471","GHSA-79qw-g39g-mfxc","GHSA-f5p5-6xmx-p252"],"status":"published","title":"Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison","description":"A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. 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hat","product":"red hat build of keycloak 26.4"},{"vendor":"red hat","product":"red hat build of keycloak 26.4.13"},{"vendor":"red hat","product":"red hat build of keycloak 26.4.14"},{"vendor":"red hat","product":"red hat build of keycloak 26.6"},{"vendor":"red hat","product":"red hat build of keycloak 26.6.4"},{"vendor":"red hat","product":"red hat build of quarkus"},{"vendor":"red hat","product":"red hat build of quarkus 3.27.4.sp2"},{"vendor":"red hat","product":"red hat build of quarkus 3.33.2.sp2"},{"vendor":"red hat","product":"red hat jboss enterprise application platform expansion pack"},{"vendor":"red hat","product":"red hat single sign-on 7"},{"vendor":"redhat","product":"build_of_keycloak"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:30049","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:30050","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:30083","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:30084","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:36002","tags":["vendor-advisory","x_refsource_REDHAT","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:36013","tags":["vendor-advisory","x_refsource_REDHAT","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50846","tags":["vendor-advisory","x_refsource_REDHAT","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50847","tags":["vendor-advisory","x_refsource_REDHAT","web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-9800","tags":["vdb-entry","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482472","tags":["issue-tracking","x_refsource_REDHAT","Vendor Advisory","advisory","web"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9800.json","tags":["x_sadp-csaf-vex","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9800","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-79qw-g39g-mfxc"},{"url":"https://github.com/keycloak/keycloak/security/advisories/GHSA-f5p5-6xmx-p252","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f5p5-6xmx-p252"},{"url":"https://github.com/keycloak/keycloak","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-9800","title":"Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison","description":"A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-06-25T16:16:27.069Z","modified":"2026-10-20T04:28:57.671Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-1025","CWE-1025"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-39471","description":"A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-06-25T16:16:27Z","modified":"2026-10-20T04:28:57Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:59:44.419021Z"}],"ghsa":[{"id":"GHSA-79qw-g39g-mfxc","title":"Duplicate Advisory: Keycloak vulnerable to authorization bypass via incorrect uri comparison","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-f5p5-6xmx-p252. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"withdrawn","published":"2026-06-25T18:30:41Z","modified":"2026-10-29T16:37:13Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-1025"],"updated_at":"2026-11-02T14:41:41.028239Z"},{"id":"GHSA-f5p5-6xmx-p252","title":"Keycloak vulnerable to authorization bypass via incorrect uri comparison","description":"### Description\nA flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-10-29T16:37:26Z","modified":"2026-10-29T16:37:29Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-1025"],"updated_at":"2026-11-02T14:41:41.028239Z"}],"nvd":[{"id":"CVE-2026-9800","description":"A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-06-25T17:17:04.18Z","modified":"2026-10-20T05:16:55.147Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-1025"],"updated_at":"2026-11-02T14:12:26.045561Z"}],"osv":[{"id":"GHSA-79qw-g39g-mfxc","title":"Duplicate Advisory: Keycloak vulnerable to authorization bypass via incorrect uri comparison","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-f5p5-6xmx-p252. This link is maintained to preserve external references.\n\n### Original Description\nA flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"withdrawn","published":"2026-06-25T18:30:41Z","modified":"2026-10-29T16:45:04.526254265Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-1025"],"updated_at":"2026-11-02T15:46:41.002603Z"},{"id":"GHSA-f5p5-6xmx-p252","title":"Keycloak vulnerable to authorization bypass via incorrect uri comparison","description":"### Description\nA flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-10-29T16:37:26Z","modified":"2026-10-29T16:56:10.604355476Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-1025"],"updated_at":"2026-11-02T15:46:46.006631Z"},{"id":"BIT-keycloak-2026-9800","title":"Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison","description":"A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.","status":"published","published":"2026-08-25T11:42:52.486Z","modified":"2026-10-29T16:56:10.604355476Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}