CVE-2025-24896 Information

Description

Misskey is an open source federated social media platform. Starting in version 12.109.0 and prior to version 2025.2.0-alpha.0 a login token named token is stored in a cookie for authentication purposes in Bull Dashboard but this remains undeleted even after logout is performed. The primary affected users will be users who have logged into Misskey using a public PC or someone else’s device but it’s possible that users who have logged out of Misskey before lending their PC to someone else could also be affected. Version 2025.2.0-alpha.0 contains a fix for this issue.

Reference

https://github.com/misskey-dev/misskey/commit/ba9f295ef2bf31cc90fa587e20b9a7655b7a1824 https://github.com/misskey-dev/misskey/security/advisories/GHSA-w98m-j6hq-cwjm