CVE-2026-22777
ComfyUI-Manager is Vulnerable to CRLF Injection in Configuration Handler
- Published
- Jan 10, 2026
- Updated
- Jan 12, 2026
- Assigning CNA
- GitHub_M
- Evidence observed
- Oct 2, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NLow · next 30 days
- Percentile
- 28.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
comfyui/CVE-2026-22777
ComfyUI-Manager CRLF Injection in Configuration Handler (CVE-2026-22777)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/comfyui:3.39.1-with-manager(comfyui/CVE-2026-22777/docker-compose.yml:services.web.image)
Proof-of-concept exploit chaining CRLF injection in ComfyUI-Manager's config endpoint with an arbitrary git install to achieve unauthenticated remote code execution.
Responsible use
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