SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

Date Jul 10, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Go · github.com/siyuan-note/siyuan/kernel

CVE CVE-2026-54069

Critical vendor advisory CVE-2026-54069

Summary

SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

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 45% 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. CVSS score: 9.2. EPSS probability: 0.6%; percentile: 45%.

Sources

GitHub Advisory GHSA-hvr9-72v2-fff3 NVD — CVE-2026-54069 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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