VDB-312576 · Submit #590921 · CVE-2025-6107

comfyanonymous comfyui 0.3.40 /comfy/utils.py set_attr dynamically-determined object attributes

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in comfyanonymous comfyui 0.3.40. Affected by this vulnerability is the function set_attr of the file /comfy/utils.py. The manipulation results in dynamically-determined object attributes. This vulnerability is identified as CVE-2025-6107. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in comfyanonymous comfyui 0.3.40. It has been classified as problematic. Affected is the function set_attr of the file /comfy/utils.py. The manipulation with an unknown input leads to a dynamically-determined object attributes vulnerability. CWE is classifying the issue as CWE-915. The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified. This is going to have an impact on availability.

The weakness was released by Jiacheng Zhong, Zhengyu Liu (Gavin Zhong and Zhengyu Liu). The advisory is shared for download at gist.github.com. This vulnerability is traded as CVE-2025-6107. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known.

The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18364). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

comfyanonymous

Name

comfyui

Version

0.3.40

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 2.9

VulDB Base Score: 3.1
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.1
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Dynamically-determined object attributes
CWE: CWE-915 / CWE-913
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2025 🔍
06/15/2025 +0 days 🔍
06/18/2025 +3 days 🔍

Sourcesinfo

Advisory: gist.github.com
Researcher: Jiacheng Zhong, Zhengyu Liu (Gavin Zhong, Zhengyu Liu)
Status: Not defined

CVE: CVE-2025-6107 (🔍)
GCVE (CVE): GCVE-0-2025-6107
GCVE (VulDB): GCVE-100-312576
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/15/2025 11:52
Updated: 06/18/2025 07:52
Changes: 06/15/2025 11:52 (56), 06/16/2025 07:22 (30), 06/16/2025 10:06 (1), 06/16/2025 11:43 (1), 06/18/2025 07:52 (2)
Complete: 🔍
Submitter: Gavin Zhong
Committer: Gavin Zhong
Cache ID: 216::103

Submitinfo

Accepted

Submit #590921: ComfyUI v0.3.40 Improperly Controlled Modification of Object Prototype Attribute (by Gavin Zhong)

VulDB is the best source for vulnerability data and more expert information about this specific topic.