CVE-2026-112086: Input Validation Flaw (CVSS 6.3)

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0032

Probability of exploitation

0.25%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

References

Other References

https://github.com/espnet/espnet/ https://github.com/espnet/espnet/commit/f217b24f06de55e332cab10231469d5890dbbe00 https://github.com/espnet/espnet/issues/6828 https://github.com/espnet/espnet/pull/6829 https://github.com/user-attachments/files/32957363/poc.zip https://vuldb.com/cve/CVE-2026-112086 https://vuldb.com/submit/1011320 https://vuldb.com/vuln/421831 https://vuldb.com/vuln/421831/cti

Frequently Asked Questions

What is CVE-2026-112086? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-112086? +

CVE-2026-112086 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0032, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-112086? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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