CVE-2026-19371

medium

Description

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.

References

https://vuldb.com/vuln/387255/cti

https://vuldb.com/vuln/387255

https://vuldb.com/submit/866269

https://vuldb.com/cve/CVE-2026-19371

https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3

https://github.com/Nikolaibibo/claude-comfyui-mcp/

Details

Source: Mitre, NVD

Published: 2026-08-09

Updated: 2026-08-09

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium