Vulnerability · Published Aug 12, 2026 · Assigned by VulnCheck

CVE-2026-72788SiYuan before v3.7.4 Information Disclosure via UILayout Filter

Medium 5.8

In plain English

A medium-severity incorrect authorization in siyuan from siyuan-note. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.8Medium

Exploit odds (30 days)0.4%top 68.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the UILayout filter that fails to properly restrict administrator workspace state from publish readers. Unauthenticated attackers can retrieve the administrator's open documents, search terms, notebook paths, and private asset locations by calling the getConf endpoint without authentication.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260812083335-251596fc0de2	GHSA-hgfg-j9pg-43xw
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260812083335-251596fc0de2	GO-2026-6622

Affected products (as reported)

Vendor	Product	Versions
siyuan-note	siyuan	0 – before 3.7.4

Weakness: CWE-863 · 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-hgfg-j9pg-43xw) vendor-advisory
VulnCheck Advisory: SiYuan before v3.7.4 Information Disclosure via UILayout Filter third-party-advisory