CVE-2026-6593

ComfyUI View Endpoint server.py cross site scripting

State: Published
Severity: 5.1 Medium
Published: Apr 20, 2026
Updated: Apr 20, 2026
Reserved: Apr 19, 2026

Description

A vulnerability was found in ComfyUI up to 0.13.0. Affected by this issue is some unknown functionality of the file server.py of the component View Endpoint. Performing a manipulation results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R	VulDB
3.0	3.5 Low	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-79 Cross Site Scripting
CWE-94 Code Injection

Affected Products

Product	Versions
ComfyUIn/a	0.1Affected 0.2Affected 0.3Affected 0.4Affected 0.5Affected 0.6Affected 0.7Affected 0.8Affected 0.9Affected 0.10Affected 0.11Affected 0.12Affected 0.13.0Affected

References

VDB-358228 | ComfyUI View Endpoint server.py cross site scriptingvdb-entry
VDB-358228 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #791114 | comfyanonymous ComfyUI <= 0.13.0 (commit 88e63705) Cross-Site Scripting (CWE-79)third-party-advisory
https://gist.github.com/YLChen-007/1d91fabb465284d7a974746f7e6cc5ccexploit

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