CVE-2026-112086
ESPnet Inference Model inference_model.py build_model deserialization
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 19, 2026
- Updated
- Oct 19, 2026
- Reserved
- Oct 18, 2026
Description
A vulnerability was found in ESPnet up to 202610.post2. This affects the function build_model of the file espnet3/publication/inference_model.py of the component Inference Model Handler. The manipulation of the argument _target_ results in deserialization. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as f217b24f06de55e332cab10231469d5890dbbe00. It is best practice to apply a patch to resolve this issue.
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:O/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:O/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ESPnetn/a |
|
References
- VDB-421831 | ESPnet Inference Model inference_model.py build_model deserializationvdb-entrytechnical-description
- VDB-421831 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-112086 | CVE Analysis and Reportthird-party-advisory
- Submit #1011320 | ESPnet espnet up to 202610.post2 (latest PyPI release); git master @ bc6dd4a also verified Insecure Deserializationthird-party-advisory
- https://github.com/espnet/espnet/issues/6828issue-tracking
- https://github.com/espnet/espnet/pull/6829issue-trackingpatch
- https://github.com/user-attachments/files/32957363/poc.zipexploit
- https://github.com/espnet/espnet/commit/f217b24f06de55e332cab10231469d5890dbbe00patch
- https://github.com/espnet/espnet/product
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