Missing XML Validation Affecting org.keycloak:keycloak-services package, versions [0,26.5.4)
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-15039633
- published20 Jan 2026
- disclosed19 Jan 2026
- creditUnknown
Introduced: 19 Jan 2026
CVE-2026-1190 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.5.4 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 Missing XML Validation of the NotOnOrAfter timestamp in SubjectConfirmationData when SAML is configured to act as a client (SAML brokering). An attacker can extend the validity of SAML responses by manipulating the timestamp, potentially resulting in prolonged session durations or increased resource usage.