CVE-2026-116103
Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 25, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Neural Network LibrariesSony |
|
References
- VDB-426171 | Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injectionvdb-entrytechnical-description
- VDB-426171 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-116103 | CVE Analysis and Reportthird-party-advisory
- Submit #1003039 | Sony Neural Network Libraries (nnabla) up to 1.39.0 Code Injectionthird-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.mdexploit
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