CVE-2026-1529
EUVD-2026-689109.02.2026, 20:15
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.Enginsight
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2.13-1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2-15 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2-15 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4.9-1 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4-11 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4-10 ≤ 𝑥 < * | ADP |
Common Weakness Enumeration
References