CVE-2026-6593: ComfyUI View Endpoint server.py cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-20 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

ComfyUI: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+7)

References

https://gist.github.com/YLChen-007/1d91fabb465284d7a974746f7e6cc5cc
https://vuldb.com/submit/791114
https://vuldb.com/vuln/358228
https://vuldb.com/vuln/358228/cti

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