CVE-2026-5936
Server-Side Request Forgery in HTTP Service Enables Internal Network Access
Publication date: 2026-04-13
Last updated on: 2026-04-13
Assigner: Foxit
Description
Description
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-918 | The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability allows an attacker to control a server-side HTTP request by providing a specially crafted URL. As a result, the server can be tricked into making requests to arbitrary destinations chosen by the attacker.
This can be exploited to probe internal network services, access endpoints that are normally unreachable such as cloud metadata services, or bypass network access controls.
How can this vulnerability impact me? :
The vulnerability can lead to sensitive information disclosure by allowing attackers to access internal services and data that should be protected.
It may also enable further compromise of the internal environment by bypassing network access controls and probing internal network services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability allows an attacker to cause a server to make HTTP requests to arbitrary destinations, potentially leading to sensitive information disclosure and further compromise of internal systems.
Such unauthorized disclosure or access to sensitive data could impact compliance with regulations like GDPR and HIPAA, which require protection of personal and sensitive information.
By enabling attackers to bypass network access controls and access internal endpoints, this vulnerability increases the risk of data breaches that may violate these standards.