MEDIUM6.1

GO-2026-5201

SiYuan vulnerable to reflected XSS via SVG namespace prefix bypass in SanitizeSVG (getDynamicIcon, unauthenticated) in github.com/siyuan-note/siyuan/kernel

Quick fix

GO-2026-5201 — github.com/siyuan-note/siyuan/kernel: upgrade to the fixed version with the command below.

go get github.com/siyuan-note/siyuan/kernel@v0.0.0-20260330031106-f09953afc57a

Details

SiYuan vulnerable to reflected XSS via SVG namespace prefix bypass in SanitizeSVG (getDynamicIcon, unauthenticated) in github.com/siyuan-note/siyuan/kernel

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/siyuan-note/siyuan/kernel

Introduced in: 0Fixed in: 0.0.0-20260330031106-f09953afc57a

Fixgo get github.com/siyuan-note/siyuan/kernel@v0.0.0-20260330031106-f09953afc57a

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-73g7-86qr-jrg3[ADVISORY]
https://nvd.nist.gov/vuln/detail/CVE-2026-34605[ADVISORY]
https://github.com/siyuan-note/siyuan/issues/17246[WEB]
https://github.com/siyuan-note/siyuan/releases/tag/v3.6.2[WEB]