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CVE-2026-45248

6.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.9 · hederaNVD modified 2026-10-26 14:10

Affected (CPE criteria) 1

  • cpe:2.3:a:hedera:guardian:*:*:*:*:*:*:*:*

References 2