CVE-2026-6592

CVE-2026-6592 is a low-severity vulnerability with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

A vulnerability has been found in ComfyUI up to 0.13.0. Affected by this vulnerability is the function getuserdata of the file app/user_manager.py of the component userdata Endpoint. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-6592?
A vulnerability has been found in ComfyUI up to 0.13.0. Affected by this vulnerability is the function getuserdata of the file app/user_manager.py of the component userdata Endpoint. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-6592?
CVE-2026-6592 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-6592 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6592?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6592 have an EU (EUVD) identifier?
Yes. CVE-2026-6592 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23737.
When was CVE-2026-6592 published?
CVE-2026-6592 was published on 2026-04-20 and last updated on 2026-06-17.

References

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