CVE-2026-116103— Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt 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漏洞。该漏洞影响文件中组件的函数。攻击者可通过操纵该函数实现代码注入，且攻击可远程发起。目前已有公开的利用代码，可能被实际利用。披露方已尽早联系厂商，但未收到任何回应。该漏洞仅影响维护者已不再提供支持的产品。

CVSS 6.3 · Medium Updated Oct 26, 2026

Possible ATT&CK Techniques 2 AI

T1059.006 · Python T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injection

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was identified in Sony Neural Network Libraries up to 1.39.0. This affects the function load_param_in_txt of the file python/src/nnabla/utils/cli/encode_decode_param.py of the component Encode Param Command Handler. Such manipulation leads to code injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. 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-2026-116103

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-116103

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Other References for CVE-2026-116103 (4)

https://github.com/3em0/cve_repo/blob/main/2026/Neural-Network-Libraries-(nnabla)%E2%89%A4v1.39.0-Python-eval()-Code-Injection-in-'nnabla_cli%20encode_param'-Leading-to-Arbitrary-Command-Execution.md exploit
https://vuldb.com/cve/CVE-2026-116103 third-party-advisory
https://vuldb.com/vuln/426171/cti signature permissions-required
https://vuldb.com/submit/1003039 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116103

IV. Related Vulnerabilities

Same product: Neural Network Libraries

CVE-2026-116104
Sony Neural Network Libraries NNP Converter utils.py func_se

Same vendor: Sony

Same weakness: CWE-94