VULNERABILITY INTELLIGENCE
CVE-2023-6544
CVSS score5.4 MEDIUM
EPSS probability1.07%
CISA KEVNot currently listed
Published2024-04-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Description
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.
Weakness classification
- CWE-625: Permissive Regular Expression