Vulnerability · Published Aug 13, 2026 · Assigned by VulnCheck

CVE-2026-73609SiYuan before v3.7.4 Information Disclosure via getBookmarkLabels

Medium 5.8

In plain English

A medium-severity missing authorization in siyuan from siyuan-note. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.8Medium

Exploit odds (30 days)0.3%top 74.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getBookmarkLabels endpoint that returns all bookmark labels in the workspace without publish-access filtering. Anonymous readers and publish-mode readers can obtain the complete bookmark vocabulary across the workspace, disclosing subject matter and organizational information from inaccessible documents.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260812083335-251596fc0de2	GHSA-j4ph-9xwf-wcj4
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260812083335-251596fc0de2	GO-2026-6634

Affected products (as reported)

Vendor	Product	Versions
siyuan-note	siyuan	0 – before 3.7.4

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-j4ph-9xwf-wcj4) vendor-advisory
VulnCheck Advisory: SiYuan before v3.7.4 Information Disclosure via getBookmarkLabels third-party-advisory