Advisory record · GHSA-p4qw-vx5p-g984

SiYuan: The publish filter for database backlinks consults the forbidden list instead of the visibility list, disclosing hidden-tier documents to anonymous readers

CVSS 6.9 MediumEPSS 0.0032 · 25th percentile

Published by the GitHub Advisory Database at 23 Oct 2026, 18:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/siyuan-note/siyuan/kernelGo<0.0.0-20260730150429-5b42614311b00.0.0-20260730150429-5b42614311b0
Identifiers
GHSA-p4qw-vx5p-g984 · CVE-2026-73049 · GO-2026-6833
Weakness (CWE)
CWE-863
Published
23 Oct 2026
Updated
5 Nov 2026

Machine-written summary

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

Versions below 0.0.0-20260730150429-5b42614311b0 of the SiYuan kernel (github.com/siyuan-note/siyuan/kernel) are affected. An anonymous reader in publish mode, or any publish reader, can query the database backlinks endpoint for a public database row and receive the database name, row title, and document path of rows in hidden-tier documents that reference it. Upgrade to 0.0.0-20260730150429-5b42614311b0 or later. The source gives no workaround.

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
6.9 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0032, the 25th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 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.