RCE in Sony Neural Network Libraries
CVE-2026-116103
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Sony Neural Network Libraries — versions 1.0, 1.1, 1.10
Weakness classification (CWE)
References
- github.com/3em0/cve_repo/blob/main/2026/Neural-Network-Libraries-(nnabla)≤v1.39… (exploit)
- vuldb.com/cve/CVE-2026-116103 (third-party-advisory)
- vuldb.com/submit/1003039 (third-party-advisory)
- vuldb.com/vuln/426171 (technical-description, vdb-entry)
- vuldb.com/vuln/426171/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-116103?
- CVE-2026-116103 is a medium-severity vulnerability in Sony Neural Network Libraries, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-10-26.
- How severe is CVE-2026-116103?
- Medium severity. CVSS v3 base score is 6.3 out of 10.