What is CVE-2026-72807?

CVE-2026-72807 is a high-severity vulnerability in Siyuan-note Siyuan, classified under SQL Injection. CVSS score: 8.0/10. Published 2026-08-12.

How severe is CVE-2026-72807?

High severity. CVSS v3 base score is 8.0 out of 10.

SQL Injection in Siyuan-note Siyuan

CVE-2026-72807

SiYuan versions before v3.7.4 contain a second-order SQL injection vulnerability in attribute-view template columns that expose the queryBlocks function, which executes raw SQL using string substitution instead of parameterized queries. At…

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-89 — SQL Injection

References

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

Frequently asked questions

What is CVE-2026-72807?: CVE-2026-72807 is a high-severity vulnerability in Siyuan-note Siyuan, classified under SQL Injection. CVSS score: 8.0/10. Published 2026-08-12.
How severe is CVE-2026-72807?: High severity. CVSS v3 base score is 8.0 out of 10.