CVE-2026-45248 — Hedera Guardian Authentication Bypass Information Disclosure
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…
Published: 2026-05-14 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7