Dify 1.9.1 Endpoint system-features access control

Summaryinfo

A vulnerability categorized as critical has been discovered in Dify 1.9.1. This affects an unknown part of the file /console/api/system-features of the component Endpoint. Such manipulation leads to access control. This vulnerability is traded as CVE-2025-63388. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Dify 1.9.1. Affected by this issue is an unknown functionality of the file /console/api/system-features of the component Endpoint. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 sets Access-Control-Allow-Credentials: true, allowing any external domain to make authenticated cross-origin requests. NOTE: the Supplier disputes this, providing the rationale of "sending requests with credentials does not provide any additional access compared to unauthenticated requests."

The advisory is available at github.com. This vulnerability is handled as CVE-2025-63388 since 10/27/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/29/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204306). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• Dify

Version

• 1.9.1

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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