CVE-2026-4633

ADVISORY - github

Summary

A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.

EPSS Score⁠: 0.00049 (0.153)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-209⁠

Generation of Error Message Containing Sensitive Information

ADVISORY - github

CWE-209⁠

Generation of Error Message Containing Sensitive Information

Impacted images

Advisories

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