CVE-2026-1529
HIGH EPSS 35.4%
Published Feb 9, 20264mo ago · Modified Apr 15, 20262mo ago
8.1 CVSS 3.1
Published Feb 9, 2026 4mo ago
Last Modified Apr 15, 2026 2mo ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
35.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-347
References 6
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:2363
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:2364
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:2365
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:2366
- access.redhat.com https://access.redhat.com/security/cve/CVE-2026-1529
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2433783
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.