Keycloak: authorization bypass
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 1.1%
exploitation probability
1.1%top 38% of all CVEs
observed exploitation
nono source reports it
A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected products
org.keycloak:keycloak-servicesRed Hat · Red Hat build of Keycloak 22Red Hat · Red Hat build of Keycloak 22.0.10Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9Red Hat · RHEL-8 based Middleware ContainersRed Hat · RHSSO 7.6.8References
https://access.redhat.com/errata/RHSA-2024:1860https://access.redhat.com/errata/RHSA-2024:1861https://access.redhat.com/errata/RHSA-2024:1862https://access.redhat.com/errata/RHSA-2024:1864https://access.redhat.com/errata/RHSA-2024:1866https://access.redhat.com/errata/RHSA-2024:1867https://access.redhat.com/errata/RHSA-2024:1868https://access.redhat.com/security/cve/CVE-2023-6544https://bugzilla.redhat.com/show_bug.cgi?id=2253116