Is CVE-2026-116169 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116169?

CVE-2026-116169 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-116169

Description

SiYuan from 2.10.0 before 3.8.7 contains a stored cross-site scripting vulnerability that allows users with edit permission to inject script by placing javascript: URLs in math block content rendered with KaTeX trust enabled. Attackers can store \href, \url, or \includegraphics payloads that mathRender assigns via innerHTML, executing script in the application origin when a reader clicks the rendered link.