CVE-2025-63386 Misconfiguration in n/a

Critical 9.1 Published 18 Dec 2025 Updated 11 Feb 2026

Insecure CORS policy in Dify allows arbitrary domains to make authenticated requests, potentially leading to account takeover or data exposure.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-63386?

CVE-2025-63386 is a critical vulnerability in n/a, published on 18 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-346

Which versions are affected by CVE-2025-63386?

It affects 1 product.

Products include Langgenius Dify.

How do I fix CVE-2025-63386?

No fix has been published for CVE-2025-63386 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-63386 being exploited?

There is no known exploitation of CVE-2025-63386 in the wild and no public exploit code.

Sources

Also known as GHSA-vjm9-gq46-wc5j.