CVE-2025-67303: An issue in ComfyUI-Manager prior to version 3.38 allowed remote attackers to potentially manipulate its confi

Q: How do I fix CVE-2025-67303?

comfyui-manager: upgrade to 3.38. Exact commands for each OS are on this page.

Q: Is CVE-2025-67303 being exploited?

CVE-2025-67303 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-67303 affect?

CVE-2025-67303 affects comfyui-manager. Severity is high (CVSS 7.5). An issue in ComfyUI-Manager prior to version 3.38 allowed remote attackers to potentially manipulate its configuration and critical data. This was due to the application storing its files in an insufficiently protected location that was acc

Q: How urgent is CVE-2025-67303?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2025-67303 is a high-severity flaw (CVSS 7.5) affecting comfyui-manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in ComfyUI-Manager prior to version 3.38 allowed remote attackers to potentially manipulate its configuration and critical data. This was due to the application storing its files in an insufficiently protected location that was accessible via the web interface

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-420
Published	2026-01-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: comfy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-05 16:15 UTCPublished CVE record published
2026-06-17 09:57 UTCUpdated Record last modified

comfy comfyui-manager UPGRADE

Affected: < 3.38

Fixed in: 3.38

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy comfyui-manager || rpm -q comfyui-manager || comfyui-manager --version

2. UPGRADE to 3.38 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade comfyui-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade comfyui-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: ComfyUI-Manager < 3.38 - Configuration Overwrite

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-67303?

comfyui-manager: upgrade to 3.38. Exact commands for each OS are on this page.

Is CVE-2025-67303 being exploited?

CVE-2025-67303 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-67303 affect?

CVE-2025-67303 affects comfyui-manager. Severity is high (CVSS 7.5). An issue in ComfyUI-Manager prior to version 3.38 allowed remote attackers to potentially manipulate its configuration and critical data. This was due to the application storing its files in an insufficiently protected location that was acc

How urgent is CVE-2025-67303?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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