Hedera Guardian Authentication Bypass Information Disclosure_CVE-2026-45248

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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.

Basic Information

ID CVE-2026-45248

Source VulnCheck

Published May 14, 2026 at 21:36

Affected Product

Vendor hashgraph

Product guardian

Affected Versions hashgraph guardian 0

CWE Classification

CWE-306

References

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    "published": "2026-05-14T21:36:22.995Z",
    "modified": "2026-05-14T21:36:22.995Z",
    "type": "cve",
    "title": "Hedera Guardian Authentication Bypass Information Disclosure",
    "source": "VulnCheck",
    "references": "https://github.com/hashgraph/guardian/pull/6076\nhttps://www.vulncheck.com/advisories/hedera-guardian-authentication-bypass-information-disclosure",
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