Auth bypass in Red Hat Build Of Keycloak
CVE-2026-4630
A flaw was found in Keycloak. An authenticated client could exploit an Insecure Direct Object Reference (IDOR) vulnerability in the Authorization Services Protection API endpoint. By knowing or obtaining a resource's unique identifier (UUI…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.000 (1.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Red Hat Build Of Keycloak
- Red Hat Build Of Keycloak 26.4 — versions 26.4.12-1, 26.4-17
- Red Hat Build Of Keycloak 26.4.12
- Redhat Build_of_keycloak
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-4630?
- CVE-2026-4630 is a medium-severity vulnerability in Red Hat Build Of Keycloak, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.8/10. Published 2026-05-19.
- How severe is CVE-2026-4630?
- Medium severity. CVSS v3 base score is 6.8 out of 10.