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TI-2026-76272 Aliases CVE-2026-112086GHSA-v5q2-hr9p-q4jv

Deserialization flaw in ESPnet build_model allows remote attacks

Priority MEDIUM 57CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

ESPnet up to 202610.post2 is affected. The build_model function in espnet3/publication/inference_model.py deserializes data when the _target_ argument is manipulated, a flaw tied to CWE-502. A remote attacker without privileges can trigger it. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00316 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—ESPnet202610.post2—No fix listedCNA
  • ESPnet Vendor— Affected 202610.post2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:espnet:espnet:*:*:*:*:*:*:*:*——espnet
  • cpe:2.3:a:espnet:espnet:*:*:*:*:*:*:*:* Versions — — ·espnet

Remediation

The sources list no fixed version for ESPnet. The source identifies patch commit f217b24f06de55e332cab10231469d5890dbbe00 as the fix and advises applying it.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-19 Threatist record created from CVE-2026-112086
  2. 2026-10-19 Alias added: GHSA-v5q2-hr9p-q4jv
  3. 2026-10-19 CISA SSVC decision points changed
  4. 2026-10-19 Priority changed: LOW → MEDIUM

References

Exploit 1

Patch 2

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences