cve.bz

CVE-2023-6544

5.4 mediumEPSS 1.1%

Medium (5.4). EPSS 1.1% chance of exploitation in the next 30 days. Fixed in org.keycloak:keycloak-services 22.0.10, 24.0.3.

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.

Severity

CVSS 3.1

5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE
CWE-625
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-46c8-635v-68r2Mavenorg.keycloak:keycloak-services<22.0.1022.0.10
GHSA-46c8-635v-68r2Mavenorg.keycloak:keycloak-services>=23.0.0 <24.0.324.0.3

References

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