What is CVE-2026-68771?

CVE-2026-68771 is a critical-severity vulnerability in Comfy-org Comfyui, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-07-31.

How severe is CVE-2026-68771?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Comfy-org Comfyui

CVE-2026-68771

ComfyUI v0.23.0 contains an unsafe deserialization vulnerability in the LoadTrainingDataset node that allows unauthenticated remote attackers to execute arbitrary Python code by uploading a crafted pickle file and triggering its deserializ…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Comfy-org Comfyui — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-68771?: CVE-2026-68771 is a critical-severity vulnerability in Comfy-org Comfyui, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-07-31.
How severe is CVE-2026-68771?: Critical severity. CVSS v3 base score is 9.8 out of 10.