CVE-2026-116104
Full vulnerability record from the local CVENow database.
Description
A security flaw has been discovered in Sony Neural Network Libraries up to 1.39.0. This impacts the function func_set_nnabla_version_decorate of the file python/src/nnabla/utils/converter/utils.py of the component NNP Converter. Performing a manipulation of the argument function.type results in code injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
LOW
CVSS score
2.1
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-10-26 01:17:15.753000
Last modified
2026-10-26 13:41:11.497000
View original CVE JSON
{
"id": "CVE-2026-116104",
"sourceIdentifier": "[email protected]",
"published": "2026-10-26T01:17:15.753",
"lastModified": "2026-10-26T13:41:11.497",
"vulnStatus": "Deferred",
"cveTags": [
{
"sourceIdentifier": "[email protected]",
"tags": [
"unsupported-when-assigned"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in Sony Neural Network Libraries up to 1.39.0. This impacts the function func_set_nnabla_version_decorate of the file python/src/nnabla/utils/converter/utils.py of the component NNP Converter. Performing a manipulation of the argument function.type results in code injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Sony",
"product": "Neural Network Libraries",
"cpes": [
"cpe:2.3:a:sony:neural_network_libraries:*:*:*:*:*:*:*:*"
],
"modules": [
"NNP Converter"
],
"versions": [
{
"version": "1.0",
"status": "affected"
},
{
"version": "1.1",
"status": "affected"
},
{
"version": "1.2",
"status": "affected"
},
{
"version": "1.3",
"status": "affected"
},
{
"version": "1.4",
"status": "affected"
},
{
"version": "1.5",
"status": "affected"
},
{
"version": "1.6",
"status": "affected"
},
{
"version": "1.7",
"status": "affected"
},
{
"version": "1.8",
"status": "affected"
},
{
"version": "1.9",
"status": "affected"
},
{
"version": "1.10",
"status": "affected"
},
{
"version": "1.11",
"status": "affected"
},
{
"version": "1.12",
"status": "affected"
},
{
"version": "1.13",
"status": "affected"
},
{
"version": "1.14",
"status": "affected"
},
{
"version": "1.15",
"status": "affected"
},
{
"version": "1.16",
"status": "affected"
},
{
"version": "1.17",
"status": "affected"
},
{
"version": "1.18",
"status": "affected"
},
{
"version": "1.19",
"status": "affected"
},
{
"version": "1.20",
"status": "affected"
},
{
"version": "1.21",
"status": "affected"
},
{
"version": "1.22",
"status": "affected"
},
{
"version": "1.23",
"status": "affected"
},
{
"version": "1.24",
"status": "affected"
},
{
"version": "1.25",
"status": "affected"
},
{
"version": "1.26",
"status": "affected"
},
{
"version": "1.27",
"status": "affected"
},
{
"version": "1.28",
"status": "affected"
},
{
"version": "1.29",
"status": "affected"
},
{
"version": "1.30",
"status": "affected"
},
{
"version": "1.31",
"status": "affected"
},
{
"version": "1.32",
"status": "affected"
},
{
"version": "1.33",
"status": "affected"
},
{
"version": "1.34",
"status": "affected"
},
{
"version": "1.35",
"status": "affected"
},
{
"version": "1.36",
"status": "affected"
},
{
"version": "1.37",
"status": "affected"
},
{
"version": "1.38",
"status": "affected"
},
{
"version": "1.39.0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": 2.1,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"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": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 3.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"baseScore": 7.5,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-74"
},
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"references": [
{
"url": "https://github.com/3em0/cve_repo/blob/main/2026/Sony-NNabla-1.39.0-Code-Injection-in-NNP-Converter-('function.type'-eval()).md",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-116104",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/1003040",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/426172",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/426172/cti",
"source": "[email protected]"
}
]
}