Deserialization Vulnerability in ESPnet Inference Model Handler
CVE-2026-112086

5.3MEDIUM

Key Information:

Vendor

ESPnet

Status
Espnet
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112086?

A vulnerability has been identified in ESPnet that affects the Inference Model Handler due to insecure deserialization in the build_model function. By manipulating the target argument, an attacker can exploit this weakness to execute remote attacks. The risk associated with this vulnerability has been made public, and it is highly recommended to apply the provided patch (f217b24f06de55e332cab10231469d5890dbbe00) to mitigate the threat immediately.

Affected Version(s)

ESPnet 202610.post2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-112086 - Proof of Concept

References

https://vuldb.com/vuln/421831
vdb-entrytechnical-description
https://vuldb.com/vuln/421831/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112086
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

r1ck9 (VulDB User)
.