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Microsoft AntiSSRF Library Blocks Server-Side Request Forgery

Techgig • June 19, 2026

Microsoft has released AntiSSRF, an open-source library to validate URLs and network connections, mitigating server-side request forgery (SSRF) risks in . NET and Node. js applications. This tool provides developers a critical defence against a common web security vulnerability.

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Microsoft Releases AntiSSRF Library to Combat Server-Side Request Forgery Microsoft has launched the AntiSSRF open-source library to help developers mitigate server-side request forgery (SSRF) risks in web applications. The library validates URLs and network connections for .NET and Node.js applications, acting as a drop-in component to check untrusted input before making outbound requests. SSRF vulnerabilities can allow attackers to manipulate server requests, potentially leading to unauthorized access to internal systems. By providing this tool, Microsoft aims to enhance web application security and protect developers from common SSRF threats. The library is distributed under the MIT license, making it accessible for widespread use. 2 sources 28

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Microsoft AntiSSRF Library Blocks Server-Side Request Forgery

The full story

Extracted Entities

Attack Types (1)

CWE Weaknesses (1)

Domains (1)