CVE-2026-116104
CVE-2026-116104
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.
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.
Weakness classification (CWE)
References
- github.com/3em0/cve_repo/blob/main/2026/Sony-NNabla-1.39.0-Code-Injection-in-NN… (exploit)
- vuldb.com/cve/CVE-2026-116104 (third-party-advisory)
- vuldb.com/submit/1003040 (third-party-advisory)
- vuldb.com/vuln/426172 (technical-description, vdb-entry)
- vuldb.com/vuln/426172/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-116104?
- CVE-2026-116104 is a medium-severity vulnerability, 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-2026-116104?
- Medium severity. CVSS v3 base score is 6.3 out of 10.