ComfyUI-Manager is Vulnerable to CRLF Injection in Configuration Handler
Priority MEDIUM 40CWE-93Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
ComfyUI-Manager is an extension designed to enhance the usability of ComfyUI. Prior to versions 3.39.2 and 4.0.5, an attacker can inject special characters into HTTP query parameters to add arbitrary configuration values to the config.ini file. This can lead to security setting tampering or modification of application behavior. This issue has been patched in versions 3.39.2 and 4.0.5.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00866 58th percentileScored 2026-11-07
Fix Fixed ComfyUI-Manager (Comfy-Org): 4.0.5, 3.39.2comfy-cli (PyPI): 4.0.5, 3.39.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Comfy-Org | ComfyUI-Manager | 4.0.0 to before 4.0.5; before 3.39.2 | 4.0.5, 3.39.2 | Patch available | CNA |
| — | comfy-cli (PyPI) | 4.0.0 to before 4.0.5 | 4.0.5 | Patch available | GHSA-562r-8445-54r2 |
| — | comfy-cli (PyPI) | before 3.39.2 | 3.39.2 | Patch available | GHSA-562r-8445-54r2 |
- ComfyUI-Manager VendorComfy-Org Affected 4.0.0 to before 4.0.5; before 3.39.2 Fixed in 4.0.5, 3.39.2 Patch available CNA
- comfy-cli (PyPI) Vendor— Affected 4.0.0 to before 4.0.5 Fixed in 4.0.5 Patch available GHSA-562r-8445-54r2
- comfy-cli (PyPI) Vendor— Affected before 3.39.2 Fixed in 3.39.2 Patch available GHSA-562r-8445-54r2
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:comfy:comfyui-manager:*:*:*:*:*:*:*:* | before 3.39.2; 4.0.3 to before 4.0.5 | Vulnerable | comfyanonymous |
- cpe:2.3:a:comfy:comfyui-manager:*:*:*:*:*:*:*:* Versions before 3.39.2; 4.0.3 to before 4.0.5 Vulnerable ·comfyanonymous
Remediation
- Fix · CNA ComfyUI-Manager (Comfy-Org) Fixed in 4.0.5, 3.39.2
- Fix · GHSA-562r-8445-54r2 comfy-cli (PyPI) Fixed in 4.0.5 Advisory →
- Fix · GHSA-562r-8445-54r2 comfy-cli (PyPI) Fixed in 3.39.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22777
- 2026-10-03 Alias added: GHSA-562r-8445-54r2
- 2026-11-06 EPSS moved to the 50th–90th percentile
- 2026-11-07 Priority changed: LOW → MEDIUM
References
Advisory 2
More Comfy-Org vulnerabilities
- TI-2026-62555 ComfyUI before 0.30.0 Path Traversal via dataset save nodes CVSS 4.0HIGH 8.5
- TI-2026-48352 ComfyUI 0.23.0 Unauthenticated RCE via LoadTrainingDataset Pickle Deserialization CVSS 4.0CRITICAL 9.3
- TI-2026-40855 ComfyUI: Path traversal in /experiment/models/preview allows arbitrary image file read CVSS 3.1HIGH 7.5
- TI-2026-40857 ComfyUI: Path traversal in LoadImage via the /prompt API allows arbitrary file existence probing and image exfiltration CVSS 3.1HIGH 7.5
- TI-2026-40856 ComfyUI: Stored XSS via /userdata/{file} due to Missing Content-Type Sanitization CVSS 3.1HIGH 8.2
- TI-2026-40854 ComfyUI: Stored XSS via SVG file upload on the /view endpoint CVSS 3.1HIGH 8.2
Sources
- CVE-2026-22777 · CVE Program
- CVE-2026-22777 · NVD
- FIRST EPSS
- GHSA-562r-8445-54r2 · 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