Medium 5.3Published Aug 9, 2026

CVE-2026-19371Nikolaibibo claude-comfyui-mcp comfy_upload_image utils.ts copyFileSync path traversal

Updated under an hour ago (2026-10-19 07:30 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Nikolaibibo claude-comfyui-mcp

Exploited in the last 30 days

A vulnerability was identified in Nikolaibibo claude-comfyui-mcp 1.0.0. Affected is the function copyFileSync of the file src/tools/utils.ts of the component comfy_upload_image. Such manipulation of the argument image_path leads to path traversal. An attack has to be approached locally. The project was informed of the problem early through an issue report but has not responded yet.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Nikolaibibo claude-comfyui-mcp nikolaibibo:claude-comfyui-mcp	1.0.0	CNA record

References

https://vuldb.com/vuln/387255vdb-entry, technical-description
https://vuldb.com/vuln/387255/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-19371third-party-advisory
https://vuldb.com/submit/866269third-party-advisory
https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3issue-tracking
https://github.com/Nikolaibibo/claude-comfyui-mcp/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.