Fedify security vulnerabilities

Fedify is a TypeScript library by the individual developer Hong Minhee. It is used to build federated server applications supported by ActivityPub and other standards. A security vulnerability exists in Fedify that originates from a denial of service that allows a user to manipulate the Webfinger...

CVE-2025-23221: Loop with Unreachable Exit Condition

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. This vulnerability allows a user to maneuver the Webfinger mechanism to perform a GET request to any internal resource on any Host, Port, URL combination regardless of present security...

Server Side Request Forgery (SSRF)

@fedify/fedify is vulnerable to Server Side Request Forgery SSRF. The vulnerability is caused by making HTTP requests to internal IP addresses referenced in received activities or media URLs, which allows an attacker to send requests to resources within the Fedify server's internal network...

Server Side Request Forgery (SSRF) attack in Fedify

Summary At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has received from the web. This activity could reference an @id that points to an internal IP address,...

GHSA-P9CG-VQCC-GRCX Server Side Request Forgery (SSRF) attack in Fedify

Summary At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has received from the web. This activity could reference an @id that points to an internal IP address,...

CVE-2024-39687

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has...

CVE-2024-39687 Fedify vulnerable to allowing access to internal network resources

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has...

CVE-2024-39687

Fedify (TypeScript) is affected by a Server Side Request Forgery (SSRF) flaw. When loading remote ActivityPub content, Fedify may fetch from URIs contained in activities/objects, and those URIs could point to internal IP addresses, enabling requests to internal network resources via the fetch pat...

CVE-2024-39687 Fedify vulnerable to allowing access to internal network resources

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has...

CVE-2024-39687

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the "@id" or other resources present within the activity it ha...

CVE-2024-39687 Fedify vulnerable to allowing access to internal network resources

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has...

CVE-2024-39687: Server-Side Request Forgery (SSRF)

Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards. At present, when Fedify needs to retrieve an object or activity from a remote activitypub server, it makes a HTTP request to the @id or other resources present within the activity it has...