CVE-2026-46712 Misskey: Lack of proper permission checks in Direct Messaging feature

Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages formerly Chat feature, regardless of account permissions...

PT-2026-67526

Name of the Vulnerable Software and Affected Versions Misskey versions 2025.3.2 through 2026.5.3 Description An open source, federated social media platform contains a flaw where insufficient permission checks allow unauthorized access to specific data points within the Direct Messages feature,...

EUVD-2026-10366

Misskey is an open source, federated social media platform. All Misskey servers running versions 8.45.0 and later, but prior to 2026.3.1, contain a vulnerability that allows bad actors access to data that they ordinarily wouldn't be able to access due to insufficient permission checks and proper...