CVE-2026-73056 | siyuan-note SiYuan up to 3.7.3 Authentication Middleware CheckAuth token improper authorization

A vulnerability classified as critical has been found in siyuan-note SiYuan up to 3.7.3. Affected is the function CheckAuth of the component Authentication Middleware. This manipulation of the argument token causes improper authorization.

The identification of this vulnerability is CVE-2026-73056. It is possible to initiate the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More