org.keycloak.services.resources.organizations: Keycloak: Unauthorized organization registration via improper invitation token validation

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token JWT payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an...

CVE-2026-1529 Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token JWT payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an...