Nikolaibibo claude-comfyui-mcp comfy_upload_image utils.ts copyFileSync path traversal
Priority MEDIUM 55CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Nikolaibibo | claude-comfyui-mcp | 1.0.0 | — | No fix listed | CNA |
- claude-comfyui-mcp VendorNikolaibibo Affected 1.0.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nikolaibibo:claude-comfyui-mcp:*:*:*:*:*:*:*:* | — | — | Nikolaibibo |
- cpe:2.3:a:nikolaibibo:claude-comfyui-mcp:*:*:*:*:*:*:*:* Versions — — ·Nikolaibibo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19371
- 2026-10-03 Alias added: GHSA-g57q-682f-hr5f
References
Sources
- CVE-2026-19371 · CVE Program
- CVE-2026-19371 · NVD
- FIRST EPSS
- GHSA-g57q-682f-hr5f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences