CVE-2025-25306 — Misskey's Incomplete Patch of CVE-2024-52591 Leads to Forgery of Federated Notes
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 Activity…
Published: 2025-03-10 · CVSS: 9.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7