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 object type require authority in the `id` field. Version 2025.2.1 addresses the issue.

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 object type require authority in the `id` field. Version 2025.2.1 addresses the issue.

Misskey es una plataforma de redes sociales federada de código abierto. El parche para CVE-2024-52591 no validó de manera suficiente la relación entre los campos `id` y `url` de los objetos ActivityPub. Un atacante puede falsificar un objeto en el que reclame autoridad en el campo `url` incluso si el tipo de objeto ActivityPub específico requiere autoridad en el campo `id`. La versión 2025.2.1 soluciona el problema.