CVE-2026-45248

Source
https://cve.org/CVERecord?id=CVE-2026-45248
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45248.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-45248
Published
2026-05-14T21:36:22.995Z
Modified
2026-07-08T08:11:24.884971620Z
Severity
  • 6.9 (Medium) CVSS_V4 - 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 CVSS Calculator
Summary
Hedera Guardian Authentication Bypass Information Disclosure
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45248.json",
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-306"
    ]
}
References

Affected packages

Git / github.com/hashgraph/guardian

Affected ranges

Type
GIT
Repo
https://github.com/hashgraph/guardian
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:hedera:guardian:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.5.1"
        }
    ]
}

Affected versions

3.*
3.4.0
3.4.1
3.5.0
3.5.0-rc
3.5.1
v1.*
v1.0.0
v1.0.0-beta.1
v2.*
v2.24.0
v2.24.1
v2.25.0
v2.25.1
v2.26.0
v2.26.1
v2.26.2
v2.27.0
v2.27.1
v3.*
v3.0.0
v3.1.0
v3.1.0-RC
v3.1.1
v3.2.0
v3.2.0-RC
v3.2.0-rc
v3.3.0
v3.3.0-rc
v3.4.0-rc

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45248.json"