GHSA-f5p5-6xmx-p252
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GHSA-f5p5-6xmx-p252
Summary: Keycloak vulnerable to authorization bypass via incorrect uri comparison
Details: ### 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.
References: https://github.com/keycloak/keycloak/security/advisories/GHSA-f5p5-6xmx-p252, https://nvd.nist.gov/vuln/detail/CVE-2026-9800, https://access.redhat.com/errata/RHSA-2026:30049, https://access.redhat.com/errata/RHSA-2026:30050, https://access.redhat.com/errata/RHSA-2026:30083, https://access.redhat.com/errata/RHSA-2026:30084, https://access.redhat.com/errata/RHSA-2026:36002, https://access.redhat.com/errata/RHSA-2026:36013, https://access.redhat.com/errata/RHSA-2026:50846, https://access.redhat.com/errata/RHSA-2026:50847, https://access.redhat.com/security/cve/CVE-2026-9800, https://bugzilla.redhat.com/show_bug.cgi?id=2482472, https://github.com/keycloak/keycloak, https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9800.json
Affected packages
Package
Name: org.keycloak:keycloak-services
Purl: pkg:maven/org.keycloak/keycloak-services
Affected ranges
Type: ECOSYSTEM
Events:
