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Advisory record · GHSA-v684-q882-jgmq

SiYuan: The publish-access gate treats encrypted notebooks as publicly accessible by default, allowing anonymous readers to retrieve fully decrypted document content while a notebook is unlocked

CVSS 9.2 CriticalCriticalEPSS 0.0037 · 31st percentile

Critical, because:

  • CVSS score 9.2: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 8 Sept 2026, 17:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/siyuan-note/siyuan/kernelGo<0.0.0-20260726020813-a25c2dd06aae0.0.0-20260726020813-a25c2dd06aae
Identifiers
GHSA-v684-q882-jgmq · CVE-2026-72789 · GO-2026-6434
Weakness (CWE)
CWE-862
Tags
Published
8 Sept 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

SiYuan's kernel (Go package github.com/siyuan-note/siyuan/kernel) before 0.0.0-20260726020813-a25c2dd06aae lets anonymous publish-mode readers list encrypted notebooks and retrieve their fully decrypted document content while the notebook is unlocked, because the publish access check defaults to allowing any notebook not explicitly listed. An attacker needs only publish-mode access, with no password or key material; the exposure lasts while the legitimate user has the notebook open. Upgrade to 0.0.0-20260726020813-a25c2dd06aae or later. No workaround is listed.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.2 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0037, the 31st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:13 UTC First seen by agentprime
  2. 31 Oct 2026, 14:13 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.