What’s Vulnerable › Vulnerabilities

CVE-2026-92792: OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-22
• Weakness: CWE-287

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.

Affected products

• opennhp: through 1.0.2

References

• https://github.com/OpenNHP/opennhp
• https://github.com/OpenNHP/opennhp/blob/v1.0.2/nhp/core/verifier/verifier.go#L27-L92
• https://github.com/OpenNHP/opennhp/issues/1732
• https://www.vulncheck.com/advisories/opennhp-through-1.0.2-authentication-bypass-via-fallback-verifier
• https://github.com/OpenNHP/opennhp/issues/1732

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