CVE-2026-1529
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/02/2026
Last modified:
10/02/2026
Description
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 unauthorized organization, leading to unauthorized access.
Impact
Base Score 3.x
8.10
Severity 3.x
HIGH