Information Exposure Affecting org.keycloak:keycloak-services package, versions [,26.6.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGKEYCLOAK-15790586
- published27 Mar 2026
- disclosed23 Mar 2026
- creditUnknown
Introduced: 23 Mar 2026
CVE-2026-4633 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.6.1 or higher.
Overview
org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.
Affected versions of this package are vulnerable to Information Exposure in the identity-first login flow when Organizations are enabled. An attacker can obtain information about the existence of users by analyzing differential error messages.