CVE-2026-32767

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.

• CWE-89
• CWE-863

• https://github.com/siyuan-note/siyuan/commit/d5e2d0bce0dffef5f61bd8066954bc2d41181fc5Patch
• 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-p3r7Exploit, Mitigation, Vendor Advisory
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7Exploit, Mitigation, Vendor Advisory

Published

Mar 20, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

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