What is CVE-2025-63388?

CVE-2025-63388 is a critical-severity vulnerability in Langgenius Dify, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2025-12-18.

How severe is CVE-2025-63388?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Langgenius Dify

CVE-2025-63388

A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/system-features endpoint. The endpoint implements an overly permissive CORS policy that reflects arbitrary Origin headers and s…

EPSS: 0.002 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Langgenius Dify — versions 1.9.1
N/a — versions n/a

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

cve@mitre.org (Issue Tracking)
cve@mitre.org (Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2025-63388?: CVE-2025-63388 is a critical-severity vulnerability in Langgenius Dify, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2025-12-18.
How severe is CVE-2025-63388?: Critical severity. CVSS v3 base score is 9.1 out of 10.