Vulnerability in Red Hat Build Of Keycloak

CVE-2026-15573

A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies (PathMatcher) does not properly normalize URIs before comparison. By adding extra characters like a trailing s…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15573?
CVE-2026-15573 is a high-severity vulnerability in Red Hat Build Of Keycloak, classified under Improper Handling of Case Sensitivity. CVSS score: 8.1/10. Published 2026-08-05.
How severe is CVE-2026-15573?
High severity. CVSS v3 base score is 8.1 out of 10.