What is CVE-2026-18569?

CVE-2026-18569 is a low-severity vulnerability in Red Hat Build Of Keycloak, classified under Improper Verification of Cryptographic Signature. CVSS score: 3.7/10. Published 2026-08-04.

How severe is CVE-2026-18569?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Red Hat Build Of Keycloak

CVE-2026-18569

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an…

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Red Hat Build Of Keycloak
Red Hat Data Grid 8
Red Hat Jboss Enterprise Application Platform Expansion Pack
Red Hat Single Sign-on 7

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-18569?: CVE-2026-18569 is a low-severity vulnerability in Red Hat Build Of Keycloak, classified under Improper Verification of Cryptographic Signature. CVSS score: 3.7/10. Published 2026-08-04.
How severe is CVE-2026-18569?: Low severity. CVSS v3 base score is 3.7 out of 10.