CVE-2026-116103

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

LOW 2.1EPSS 0.2%

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: Sony · Neural Network Libraries
CVSS v4.0 VULDB: 2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULDB: 6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v2.0 VULDB: 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS: 0.23% chance of exploitation in the next 30 days, 14th percentile
Published: 2026-10-26
Updated: 2026-10-29

Proof-of-concept exploits (1)

3em0/cve_repo/blob/main/2026/Neural-Network-Libraries-(nnabla)%E2%89%A4v1.39.0-Python-eva…Repo stars 1★ · pushed 2026-10-29 · find archive
1 file
2026/Neural-Network-Libraries-(nnabla)≤v1.39.0-Python-eval()-Code-Injection-in-'nnabla_cli encode_param'-Leading-to-Arbitrary-Command-Execution.md

CVE references

https://vuldb.com/cve/CVE-2026-116103ADVISORY
https://vuldb.com/submit/1003039ADVISORY
https://vuldb.com/vuln/426171REFERENCE
https://vuldb.com/vuln/426171/ctiREFERENCE

CVE-2026-116103

Proof-of-concept exploits (1)

CVE references

References

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