Description
OpenNHP through 1.0.2 selects its trusted-execution attestation verifier based on attacker-supplied evidence containing a test_purpose key, causing the FallbackVerifier to execute unconditionally. Attackers can bypass attestation verification by including the test_purpose key in evidence and providing enrolled measure and serial number pairs from the allowlist to gain unauthorized access.
Published: 2026-09-16
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 19 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Opennhp
Opennhp opennhp
Vendors & Products Opennhp
Opennhp opennhp

Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description OpenNHP through 1.0.2 selects its trusted-execution attestation verifier based on attacker-supplied evidence containing a test_purpose key, causing the FallbackVerifier to execute unconditionally. Attackers can bypass attestation verification by including the test_purpose key in evidence and providing enrolled measure and serial number pairs from the allowlist to gain unauthorized access.
Title OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-19T01:44:37.436Z

Reserved: 2026-09-16T19:40:19.806Z

Link: CVE-2026-92792

cve-icon Vulnrichment

Updated: 2026-09-19T01:44:21.849Z

cve-icon NVD

Status : Received

Published: 2026-09-16T21:17:28.780

Modified: 2026-09-19T02:16:54.680

Link: CVE-2026-92792

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T20:37:50Z

Weaknesses