CVE-2026-19371
Nikolaibibo claude-comfyui-mcp comfy_upload_image utils.ts copyFileSync path traversal
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 9, 2026
- Updated
- Aug 13, 2026
- Reserved
- Aug 9, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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/E:P | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
claude-comfyui-mcpNikolaibibo |
|
References
- VDB-387255 | Nikolaibibo claude-comfyui-mcp comfy_upload_image utils.ts copyFileSync path traversalvdb-entrytechnical-description
- VDB-387255 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-19371 | CVE Analysis and Reportthird-party-advisory
- Submit #866269 | Nikolaibibo claude-comfyui-mcp 1.0.0 Path Traversalthird-party-advisory
- https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3issue-tracking
- https://github.com/Nikolaibibo/claude-comfyui-mcp/product
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