CVE-2026-22777
CVE-2026-22777 is a high-severity vulnerability in Comfy Comfyui-manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1864
- Weakness: CWE-93
- Affected product: Comfy Comfyui-manager
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-22777?
- 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.
- How severe is CVE-2026-22777?
- CVE-2026-22777 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2026-22777 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22777?
- CVE-2026-22777 affects Comfy Comfyui-manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22777?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-22777 have an EU (EUVD) identifier?
- Yes. CVE-2026-22777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1864.
- When was CVE-2026-22777 published?
- CVE-2026-22777 was published on 2026-01-10 and last updated on 2026-06-17.
References
- https://github.com/Comfy-Org/ComfyUI-Manager/commit/f4fa394e0f03b013f1068c96cff168ad10bd0410
- https://github.com/Comfy-Org/ComfyUI-Manager/security/advisories/GHSA-562r-8445-54r2
Affected products (1)
- cpe:2.3:a:comfy:comfyui-manager:*:*:*:*:*:*:*:*
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