How severe is CVE-2026-6591?

CVE-2026-6591 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-6591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-6591 have an EU (EUVD) identifier?

Yes. CVE-2026-6591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23735.

When was CVE-2026-6591 published?

CVE-2026-6591 was published on 2026-04-20 and last updated on 2026-06-17.

CVE-2026-6591

CVE-2026-6591 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23735
Weakness: CWE-22
Published: 2026-04-20
Last modified: 2026-06-17

Description

A flaw has been found in ComfyUI up to 0.13.0. Affected is the function folder_paths.get_annotated_filepath of the file folder_paths.py of the component LoadImage Node. This manipulation of the argument Name causes path traversal. Remote exploitation of the attack is possible. The exploit has been published 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-2026-6591?: A flaw has been found in ComfyUI up to 0.13.0. Affected is the function folder_paths.get_annotated_filepath of the file folder_paths.py of the component LoadImage Node. This manipulation of the argument Name causes path traversal. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-6591?: CVE-2026-6591 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-6591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6591 have an EU (EUVD) identifier?: Yes. CVE-2026-6591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23735.
When was CVE-2026-6591 published?: CVE-2026-6591 was published on 2026-04-20 and last updated on 2026-06-17.

References

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