VULNERABILITY INTELLIGENCE

CVE-2026-1529

CVSS score8.1 HIGH
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-02-09
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-347
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-347

Primary references