Vulnerability in Red Hat Build Of Keycloak

CVE-2026-7571

A flaw was found in Keycloak. A low-privilege user, with knowledge of user credentials and client ID, can bypass a security control intended to disable the implicit flow in OpenID Connect (OIDC) clients. By manipulating client data during…

EPSS: 0.000 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-7571?
CVE-2026-7571 is a high-severity vulnerability in Red Hat Build Of Keycloak, classified under CWE-472. CVSS score: 7.1/10. Published 2026-05-19.
How severe is CVE-2026-7571?
High severity. CVSS v3 base score is 7.1 out of 10.