CVE-2026-72792: Incorrect Authorization

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected...

GO-2026-5188 SiYuan: Broken access control in `/api/tag/getTag` — Reader role can mutate `Conf.Tag.Sort` and persist to disk in github.com/siyuan-note/siyuan/kernel

SiYuan: Broken access control in /api/tag/getTag — Reader role can mutate Conf.Tag.Sort and persist to disk in github.com/siyuan-note/siyuan/kernel...

CVE-2026-45147: Improper Authorization

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, POST /api/tag/getTag is registered with model.CheckAuth only, omitting both model.CheckAdminRole and model.CheckReadonly, despite the handler performing a configuration write that is normally guarded by both. Any...

GHSA-6R88-8V7Q-Q4P2 SiYuan: Broken access control in `/api/tag/getTag` — Reader role can mutate `Conf.Tag.Sort` and persist to disk

Summary POST /api/tag/getTag is registered with model.CheckAuth only, omitting both model.CheckAdminRole and model.CheckReadonly, despite the handler performing a configuration write that is normally guarded by both. Any authenticated user — including publish-service RoleReader accounts and...