Information Exposure Affecting keycloak-advanced-compat package, versions <26.5.7-r0


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.32% (24th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-KEYCLOAKADVANCEDCOMPAT-15922559
  • published7 Apr 2026
  • disclosed23 Mar 2026

Introduced: 23 Mar 2026

CVE-2026-4633  (opens in a new tab)
CWE-209  (opens in a new tab)

How to fix?

Upgrade Minimos:latest keycloak-advanced-compat to version 26.5.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream keycloak-advanced-compat package and not the keycloak-advanced-compat package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1