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Fencer Vulns
high 7.5

CVE-2025-67303 json

ComfyUI-Manager has an Unprotected Alternate Channel (CWE-420)

published 2026-01-05 10 mo ago modified 2026-11-04 4 d ago also GHSA-95pq-hr8p-f5g7 , PYSEC-2026-2422 , EUVD-2026-0815

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known, plus a Nuclei check

Summary

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

Patch / fix

  • pypi comfyui-manager 3.38
  • comfy comfyui-manager 3.38

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template ComfyUI-Manager < 3.38 - Configuration Overwrite nuclei detection template
  • github.com https://github.com/Comfy-Org/ComfyUI-Manager/blob/main/docs/en/v3.38-userdata-security-migration.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi comfyui-manager
<3.38
3.38

Classification

Weakness
  • CWE-420 Unprotected Alternate Channel

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.