Medium severity · published Oct 26, 2026
CVE-2026-116103
Sony Neural Network Libraries Encode Param encode_decode_param.py load_param_in_txt code injection
New
6.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NN
Neural Network Libraries · Sony
1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +34 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116103
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116103
github.com
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
vuldb.com
https://vuldb.com/cve/CVE-2026-116103
vuldb.com
https://vuldb.com/submit/1003039
vuldb.com
https://vuldb.com/vuln/426171
vuldb.com
https://vuldb.com/vuln/426171/cti
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