CVE-2026-116104— Sony Neural Network Libraries NNP Converter utils.py func_set_nnabla_version_decorate code injection

Quick assessment

Affected

Sony Neural Network Libraries

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在索尼神经网络库（Sony Neural Network Libraries）1.39.0 及更早版本中发现了一个安全漏洞。该漏洞影响 NNP Converter 组件中文件里的函数。攻击者通过操纵参数，可触发代码注入。该攻击可远程发起，且利用代码已公开，可能被用于实际攻击。厂商在漏洞披露初期已被联系，但未作出任何回应。此漏洞仅影响维护者已不再支持的产品。

CVSS 6.3 · Medium Updated Oct 26, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Sony Neural Network Libraries NNP Converter utils.py func_set_nnabla_version_decorate code injection

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

对生成代码的控制不恰当(代码注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Sony	Neural Network Libraries	1.0	`cpe:2.3:a:sony:neural_network_libraries::::::::`

II. Public POCs for CVE-2026-116104

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-116104

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Other References for CVE-2026-116104 (4)

https://github.com/3em0/cve_repo/blob/main/2026/Sony-NNabla-1.39.0-Code-Injection-in-NNP-Converter-('function.type'-eval()).md exploit
https://vuldb.com/cve/CVE-2026-116104 third-party-advisory
https://vuldb.com/vuln/426172/cti signature permissions-required
https://vuldb.com/submit/1003040 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116104

IV. Related Vulnerabilities

Same product: Neural Network Libraries

CVE-2026-116103
Sony Neural Network Libraries Encode Param encode_decode_par

Same vendor: Sony

Same weakness: CWE-94