CVE-2026-19371

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	nikolaibibo
Product	claude-comfyui-mcp
Published	Aug 9, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Nikolaibibo / claude-comfyui-mcp

1.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/387255 vuldb.com: https://vuldb.com/vuln/387255/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19371 vuldb.com: https://vuldb.com/submit/866269 github.com: https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3 github.com: https://github.com/Nikolaibibo/claude-comfyui-mcp/

Credits

🔍 gongyanyu05 (VulDB User) VulDB CNA Team