OpenNHP up to 1.0.2 FallbackVerifier test_purpose improper authorization

Summaryinfo

A vulnerability marked as problematic has been reported in OpenNHP up to 1.0.2. Affected by this issue is some unknown functionality of the component FallbackVerifier. This manipulation of the argument test_purpose causes improper authorization. This vulnerability is registered as CVE-2026-92792. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in OpenNHP up to 1.0.2 and classified as problematic. Affected by this vulnerability is an unknown code of the component FallbackVerifier. The manipulation of the argument test_purpose with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-92792 since 09/16/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/16/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• OpenNHP

Version

• 1.0.0
• 1.0.1
• 1.0.2

Website

• Product: https://github.com/OpenNHP/opennhp/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion