Improper Verification of Cryptographic Signature Affecting org.keycloak:keycloak-services package, versions [,26.5.3)
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-15253603
- published10 Feb 2026
- disclosed9 Feb 2026
- creditJoy Gilbert, Reynaldo Immanuel
Introduced: 9 Feb 2026
CVE-2026-1529 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.5.3 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 Improper Verification of Cryptographic Signature in the invitation tokens in the registration process. An attacker can gain unauthorized access to organizations by modifying the organization ID and target email within a legitimate invitation token's JWT payload.