ESPnet up to 202610.post2 Inference Model inference_model.py build_model _target_ deserialization

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.37-

Summaryinfo

A vulnerability marked as critical has been reported in ESPnet up to 202610.post2. This vulnerability affects the function build_model of the file espnet3/publication/inference_model.py of the component Inference Model Handler. This manipulation of the argument _target_ causes deserialization. This vulnerability is handled as CVE-2026-112086. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in ESPnet up to 202610.post2. Affected by this vulnerability is the function build_model of the file espnet3/publication/inference_model.py of the component Inference Model Handler. The manipulation of the argument _target_ with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-112086. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch f217b24f06de55e332cab10231469d5890dbbe00 is able to eliminate this problem. The bugfix is ready for download at github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: f217b24f06de55e332cab10231469d5890dbbe00

Timelineinfo

10/18/2026 Advisory disclosed
10/18/2026 +0 days VulDB entry created
10/18/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 6828
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-112086 (🔒)
GCVE (CVE): GCVE-0-2026-112086
GCVE (VulDB): GCVE-100-421831
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/18/2026 18:17
Changes: 10/18/2026 18:17 (61)
Complete: 🔍
Submitter: r1ck9
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1011320: ESPnet espnet up to 202610.post2 (latest PyPI release); git master @ bc6dd4a also verified Insecure Deserialization (by r1ck9)

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