SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()
High-risk advisory
CVE-2026-54158
Summary
SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()
Why it matters
GitHub has published a reviewed security advisory for github.com/siyuan-note/siyuan/kernel. Prioritize it with other application dependency updates, especially because EPSS places it in the 21% percentile.
Operator check
Check whether github.com/siyuan-note/siyuan/kernel is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 21%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.