Deserialization RCE in Hugging Face Diffusers CogView4 Checkpoints

Publication date: 2025-12-23

Last updated on: 2025-12-23

Assigner: Zero Day Initiative

Description

Hugging Face Diffusers CogView4 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face Diffusers. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of checkpoints. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27424.

CVSS Scores

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Meta Information

Published

2025-12-23

Last Modified

2025-12-23

Generated

2026-07-06

AI Q&A

2025-12-24

EPSS Evaluated

2026-07-05

NVD

CVE-2025-14922

Affected Vendors & Products

Vendor	Product	Version / Range
hugging_face	diffusers	3.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Mitigation Strategies

To mitigate this vulnerability, avoid opening untrusted files or visiting untrusted webpages that may contain malicious checkpoints. Ensure that user interaction with untrusted data is minimized. Applying updates or patches from the vendor when available is also recommended. [1]

Executive Summary

This vulnerability is a remote code execution flaw in Hugging Face Diffusers, specifically in the parsing of checkpoints. It occurs because the software does not properly validate user-supplied data, leading to deserialization of untrusted data. An attacker can exploit this by tricking a user into visiting a malicious webpage or opening a malicious file, which then allows the attacker to execute arbitrary code within the context of the current process. [1]

Impact Analysis

If exploited, this vulnerability allows an attacker to execute arbitrary code on your system with the privileges of the affected application. This can lead to unauthorized actions such as data theft, system compromise, or further attacks within your environment. Exploitation requires user interaction, but once triggered, it can severely impact the confidentiality, integrity, and availability of your system. [1]

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