CVE-2026-87811 | SiYuan-Note SiYuan up to 3.8.1 Notebook Template cross site scripting

September 9, 2026 Yanac

A vulnerability described as problematic has been identified in SiYuan-Note SiYuan up to 3.8.1. The impacted element is an unknown function of the component Notebook Template. Such manipulation leads to cross site scripting.

This vulnerability is uniquely identified as CVE-2026-87811. The attack can be launched remotely. No exploit exists.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More