CVE-2026-64623
Full vulnerability record from the local CVENow database.
Description
Network-AI before 5.13.4 contains an improper cryptographic signature verification vulnerability in APSAdapter where the default local verifier accepts any non-empty string as valid. Unauthenticated attackers can submit forged APS delegation payloads with arbitrary scopes to bypass signature verification and obtain signed permission-grant tokens for sensitive resources including SHELL_EXEC.
Severity
HIGH
CVSS score
8.8
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-07-20 12:19:47.200000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
"id": "CVE-2026-64623",
"sourceIdentifier": "[email protected]",
"published": "2026-07-20T12:19:47.200",
"lastModified": "2026-10-24T20:10:00.137",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Network-AI before 5.13.4 contains an improper cryptographic signature verification vulnerability in APSAdapter where the default local verifier accepts any non-empty string as valid. Unauthenticated attackers can submit forged APS delegation payloads with arbitrary scopes to bypass signature verification and obtain signed permission-grant tokens for sensitive resources including SHELL_EXEC."
},
{
"lang": "es",
"value": "Network-AI anterior a 5.13.4 contiene una vulnerabilidad de verificación de firma criptográfica impropia en APSAdapter donde el verificador local predeterminado acepta cualquier cadena no vacía como válida. Atacantes no autenticados pueden enviar cargas útiles de delegación APS falsificadas con alcances arbitrarios para eludir la verificación de firma y obtener tokens de concesión de permisos firmados para recursos sensibles, incluyendo SHELL_EXEC."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Jovancoding",
"product": "Network-AI",
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/network-ai",
"versions": [
{
"version": "0",
"lessThan": "5.13.4",
"versionType": "semver",
"status": "affected"
},
{
"version": "5.13.4",
"versionType": "semver",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/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",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 3.9,
"impactScore": 4.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-20T13:48:35.799464Z",
"id": "CVE-2026-64623",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-347"
}
]
}
],
"references": [
{
"url": "https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-3jf7-33vc-hgf4",
"source": "[email protected]"
},
{
"url": "https://www.vulncheck.com/advisories/network-ai-before-cryptographic-signature-verification-bypass",
"source": "[email protected]"
},
{
"url": "https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-3jf7-33vc-hgf4",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}