Vulnerability · Published Oct 26, 2026 · Assigned by VulDB
CVE-2026-116103Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injection
Medium 6.3
In plain English
A medium-severity code injection in Neural Network Libraries from Sony. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sony | Neural Network Libraries | 1.01.11.21.31.41.51.61.7 |
Weakness: CWE-94, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-426171 | Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injection vdb-entry, technical-description
- VDB-426171 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-116103 | CVE Analysis and Report third-party-advisory
- Submit #1003039 | Sony Neural Network Libraries (nnabla) up to 1.39.0 Code Injection third-party-advisory
- 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