Vulnerability in Red Hat Build Of Keycloak 26.2
CVE-2026-4325
A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of co…
EPSS: 0.000 (12.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Red Hat Build Of Keycloak 26.2 — versions 26.2.15-1, 26.2-18
- Red Hat Build Of Keycloak 26.2.15
- Red Hat Build Of Keycloak 26.4 — versions 26.4.11-1, 26.4-14
- Red Hat Build Of Keycloak 26.4.11
Weakness classification (CWE)
References
- RHSA-2026:6475 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2026:6476 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2026:6477 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2026:6478 (vendor-advisory, x_refsource_REDHAT)
- access.redhat.com/security/cve/CVE-2026-4325 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2448351 (issue-tracking, x_refsource_REDHAT)
Frequently asked questions
- What is CVE-2026-4325?
- CVE-2026-4325 is a medium-severity vulnerability in Red Hat Build Of Keycloak 26.2, classified under CWE-653. CVSS score: 5.3/10. Published 2026-04-02.
- How severe is CVE-2026-4325?
- Medium severity. CVSS v3 base score is 5.3 out of 10.