Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Nikolaibibo/claude-comfyui-mcp/
- https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3
- https://vuldb.com/cve/CVE-2026-19371
- https://vuldb.com/submit/866269
- https://vuldb.com/vuln/387255
- https://vuldb.com/vuln/387255/cti
- https://github.com/Nikolaibibo/claude-comfyui-mcp/issues/3
FAQ
What is CVE-2026-19371?
CVE-2026-19371 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 t...
How severe is CVE-2026-19371?
CVE-2026-19371 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-19371?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.