CVE-2026-45248
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
May 14, 2026
Vendor
unknown
Description
Hedera Guardian through 3.5.1 contains an authentication bypass vulnerability in the GET /api/v1/demo/registered-users endpoint that allows unauthenticated attackers to retrieve sensitive user information. Attackers can access the endpoint without providing authentication credentials to obtain usernames, Hedera DIDs, parent registry DIDs, system roles, and policy role assignments for all registered users in the system.