Authentication Bypass by Primary Weakness Affecting org.keycloak:keycloak-services package, versions [,26.2.14)[26.3.0,26.4.10)[26.5.0,26.5.5)
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-15440567
- published8 Mar 2026
- disclosed5 Mar 2026
- creditUnknown
Introduced: 5 Mar 2026
CVE-2026-2603 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.2.14, 26.4.10, 26.5.5 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 Authentication Bypass by Primary Weakness via the SAML Identity Provider authentication process when it is disabled. An attacker can gain unauthorized access by exploiting the ability to authenticate through a provider that should not be available.