Vulnerability · Published Mar 20, 2026 · Assigned by GitHub_M

CVE-2026-32767SiYuan: Authorization Bypass Allows Arbitrary SQL Execution via Search API

Critical 9.8

In plain English

A critical-severity SQL injection in siyuan from siyuan-note. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.6%top 53.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/siyuan-note/siyuan/kernel	no fix listed	GHSA-j7wh-x834-p3r7
Go	github.com/siyuan-note/siyuan/kernel	no fix listed	GO-2026-4716

Affected products (as reported)

Vendor	Product	Versions
siyuan-note	siyuan	< 3.6.1

Weakness: CWE-89, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-j7wh-x834-p3r7 x_refsource_CONFIRM
https://github.com/siyuan-note/siyuan/issues/17209 x_refsource_MISC
https://github.com/siyuan-note/siyuan/commit/d5e2d0bce0dffef5f61bd8066954bc2d41181fc5 x_refsource_MISC
https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1 x_refsource_MISC