Vulnerability · Published Aug 12, 2026 · Assigned by VulnCheck

CVE-2026-72806SiYuan before v3.7.4 Authentication Bypass via Attribute View

Medium 5.8

In plain English

A medium-severity missing 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 33% 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 67.4% 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 authentication bypass vulnerability in the FilterViewByPublishAccess filter that fails to check publish password protection when rendering attribute views and database rows. Unauthenticated readers can access password-protected document rows including titles, block IDs, and column values by calling renderAttributeView without supplying the required password.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260723040913-768427f20f13	GHSA-6mcf-g667-w3qv
Go	github.com/siyuan-note/siyuan/kernel	0.0.0-20260723040913-768427f20f13	GO-2026-6388

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-6mcf-g667-w3qv) vendor-advisory
VulnCheck Advisory: SiYuan before v3.7.4 Authentication Bypass via Attribute View third-party-advisory