CVE-2026-33203 | SiYuan up to 3.6.1 Incoming Message auth keepalive uncaught exception (GHSA-3g9h-9hp4-654v)
A vulnerability classified as problematic was found in SiYuan up to 3.6.1. Affected by this issue is some unknown functionality of the component Incoming Message Handler. The manipulation of the argument auth keepalive results in uncaught exception.
This vulnerability is cataloged as CVE-2026-33203. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is advised.