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.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Nikolaibibo claude-comfyui-mcp affected
Version Status Constraints
1.0.0 affected —

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Project Subscriptions

Vendors Products
Nikolaibibo Subscribe
Claude-comfyui-mcp Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Sun, 09 Aug 2026 22:30:00 +0000

Type Values Removed Values Added
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.
Title Nikolaibibo claude-comfyui-mcp comfy_upload_image utils.ts copyFileSync path traversal
First Time appeared Nikolaibibo
Nikolaibibo claude-comfyui-mcp
Weaknesses CWE-22
CPEs cpe:2.3:a:nikolaibibo:claude-comfyui-mcp:*:*:*:*:*:*:*:*
Vendors & Products Nikolaibibo
Nikolaibibo claude-comfyui-mcp
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': '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'}

cvssV3_1

{'score': 5.3, 'vector': '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'}

cvssV4_0

{'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/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-09T22:15:11.924Z

Reserved: 2026-08-09T07:08:02.581Z

Link: CVE-2026-19371

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses