EUVD-2023-29129

Malicious code in bioql PyPI...

GHSA-8XQ3-W9FX-74RV webfinger.js Blind SSRF Vulnerability

Description The lookup function takes a user address for checking accounts as a feature, however, as per the ActivityPub spec https://www.w3.org/TR/activitypub/security-considerations, on the security considerations section at B.3, access to Localhost services should be prevented while running in...

CVE-2025-25306

Misskey is an open source, federated social media platform. The patch for CVE-2024-52591 did not sufficiently validate the relation between the id and url fields of ActivityPub objects. An attacker can forge an object where they claim authority in the url field even if the specific ActivityPub...

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,...