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.
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
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 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
- 31 Oct 2026, 14:11 UTC First seen by agentprime
- 31 Oct 2026, 14:11 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-p4qw-vx5p-g984
- OSV: GHSA-p4qw-vx5p-g984
- github.com/siyuan-note/siyuan/security/advisories/GHSA-p4qw-vx5p-g984
- nvd.nist.gov/vuln/detail/CVE-2026-73049
- github.com/siyuan-note/siyuan/commit/5b42614311b0afda29ccc65e55d74bf3e8cc9054
- github.com/siyuan-note/siyuan
- github.com/siyuan-note/siyuan/releases/tag/v3.7.4-alpha.4
- www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getattributeviewbacklinks