{"id":"CVE-2026-92792","aliases":["EUVD-2026-81055","GHSA-wj5x-jrhc-mqcx"],"status":"published","title":"OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier","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.","severity":{"version":"4.0","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00604,"percentile":0.49345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-09-16T20:32:47Z","modified":"2026-10-28T02:31:14Z","products":[{"vendor":"opennhp","product":"opennhp"}],"references":[{"url":"https://github.com/OpenNHP/opennhp/issues/1732","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/OpenNHP/opennhp","tags":["product","package"]},{"url":"https://github.com/OpenNHP/opennhp/blob/v1.0.2/nhp/core/verifier/verifier.go#L27-L92","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/opennhp-through-1.0.2-authentication-bypass-via-fallback-verifier","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92792","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wj5x-jrhc-mqcx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92792.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-92792","title":"OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier","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.","status":"published","published":"2026-09-16T20:32:47.538Z","modified":"2026-09-19T01:44:37.436Z","cvss":[{"version":"4.0","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","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T13:48:35.749498Z"}],"euvd":[{"id":"EUVD-2026-81055","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.","status":"published","published":"2026-09-16T20:32:47Z","modified":"2026-09-19T01:44:37Z","cvss":[{"version":"4.0","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","level":"high"}],"updated_at":"2026-11-02T17:28:06.992666Z"}],"ghsa":[{"id":"GHSA-wj5x-jrhc-mqcx","title":"OpenNHP through 1.0.2 selects its trusted-execution attestation verifier based on attacker...","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.","status":"published","published":"2026-09-16T21:32:55Z","modified":"2026-09-16T21:32:56Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:12:02.762055Z"}],"nvd":[{"id":"CVE-2026-92792","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.","status":"published","published":"2026-09-16T21:17:28.78Z","modified":"2026-09-22T20:25:55.87Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-92792","title":"OpenNHP through 1.0.2 Authentication Bypass via Fallback Verifier","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.","status":"published","published":"2026-09-16T20:32:47.538Z","modified":"2026-10-28T02:31:14.231037159Z","cvss":[{"version":"4.0","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","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:45:20.588039Z"}]}}