What is CVE-2026-72788?

CVE-2026-72788 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Incorrect Authorization. CVSS score: 5.8/10. Published 2026-08-12.

How severe is CVE-2026-72788?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Auth bypass in Siyuan-note Siyuan

CVE-2026-72788

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 administrat…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-72788?: CVE-2026-72788 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Incorrect Authorization. CVSS score: 5.8/10. Published 2026-08-12.
How severe is CVE-2026-72788?: Medium severity. CVSS v3 base score is 5.8 out of 10.