CVE-2025-63386CRITICAL 9.1EPSS p11.4%

CVE-2025-63386CVE-2025-63386

Description

A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/setup endpoint. The endpoint implements an insecure CORS policy that reflects any Origin header and enables Access-Control-Allow-Credentials: true, permitting arbitrary external domains to make authenticated requests. NOTE: the Supplier disputes this because the endpoint configuration is intentional to support bootstrap.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.21% probability of exploitation · percentile 11.4% · 2026-06-18T12:00:27Z
Published2025-12-18
Last modified2026-02-11

Underlying weaknesses· 1

CWE-346

References

  1. https://gist.github.com/Cristliu/1610daac87c711ac3e0250c58f5cc4f9
  2. https://gist.github.com/Cristliu/8ad993126be05c9210c71cc7d49fa112
  3. https://github.com/langgenius/dify/discussions
  4. https://github.com/langgenius/dify/pull/32224

1

TypeTargetConfidenceTier
WeaknessOrigin Validation Errorcwe-3460%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.