What is CVE-2026-72795?

CVE-2026-72795 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Missing Authorization. CVSS score: 8.6/10. Published 2026-08-12.

How severe is CVE-2026-72795?

High severity. CVSS v3 base score is 8.6 out of 10.

Auth bypass in Siyuan-note Siyuan

CVE-2026-72795

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from pas…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-72795?: CVE-2026-72795 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Missing Authorization. CVSS score: 8.6/10. Published 2026-08-12.
How severe is CVE-2026-72795?: High severity. CVSS v3 base score is 8.6 out of 10.