Vulnerability Description
SiYuan is a personal knowledge management system. Versions 3.6.0 and below contain an authorization bypass vulnerability in the /api/search/fullTextSearchBlock endpoint. When the method parameter is set to 2, the endpoint passes user-supplied input directly as a raw SQL statement to the underlying SQLite database without any authorization or read-only checks. This allows any authenticated user — including those with the Reader role — to execute arbitrary SQL statements (SELECT, DELETE, UPDATE, DROP TABLE, etc.) against the application's database. This is inconsistent with the application's own security model: the dedicated SQL endpoint (/api/query/sql) correctly requires both CheckAdminRole and CheckReadonly middleware, but the search endpoint bypasses these controls entirely. This issue has been fixed in version 3.6.1.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| B3Log | Siyuan | < 3.6.1 |
Related Weaknesses (CWE)
References
- https://github.com/siyuan-note/siyuan/commit/d5e2d0bce0dffef5f61bd8066954bc2d411Patch
- https://github.com/siyuan-note/siyuan/issues/17209Issue Tracking
- https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1Release Notes
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7ExploitMitigationVendor Advisory
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-32767?
CVE-2026-32767 is a vulnerability with a CVSS score of 9.8 (CRITICAL). SiYuan is a personal knowledge management system. Versions 3.6.0 and below contain an authorization bypass vulnerability in the /api/search/fullTextSearchBlock endpoint. When the method parameter is s...
How severe is CVE-2026-32767?
CVE-2026-32767 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-32767?
Check the references section above for vendor advisories and patch information. Affected products include: B3Log Siyuan.