CVE-2026-45147

SiYuan before 3.7.0 is vulnerable: POST /api/tag/getTag is registered with model.CheckAuth only, omitting CheckAdminRole and CheckReadonly, allowing any authenticated user to pass a sort parameter that mutates Conf.Tag.Sort and triggers model.Conf.Save(), which rewrites the entire workspace conf....

CVE-2026-45147 SiYuan: Broken access control in SiYuan `/api/tag/getTag` — Reader role can mutate `Conf.Tag.Sort` and persist to disk

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...