Code Injection Vulnerability in Hugging Face Finetrainers
CVE-2026-124588

5.3MEDIUM

Key Information:

Vendor

Huggingface

Status
Finetrainers
Vendor
CVE Published:
9 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-124588?

A security flaw has been identified in Hugging Face's Finetrainers software, specifically in the function resolve_component_cls within the finetrainers/utils/model.py file. This vulnerability allows for code injection through manipulation of the Library argument, potentially enabling remote attacks. The issue has been acknowledged by the project through an initial report, yet it remains unaddressed as of the latest updates. The public release of the exploit heightens concern for those utilizing the affected versions of the product.

Affected Version(s)

finetrainers 0.1.0

finetrainers 0.2.0

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-2026-124588 - Proof of Concept

References

https://vuldb.com/vuln/433012
vdb-entrytechnical-description
https://vuldb.com/vuln/433012/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124588
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

Dem00000 (VulDB User)
VulDB CNA Team
.