CVE-2026-32704: SiYuan renderSprig: missing admin check allows any user to read full workspace DB

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-16 · updated 2026-06-17
Weakness: CWE-285

Description

SiYuan is a personal knowledge management system. Prior to 3.6.1, POST /api/template/renderSprig lacks model.CheckAdminRole, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes. This vulnerability is fixed in 3.6.1.

Affected products

siyuan-note siyuan: before 3.6.1 — fixed in 3.6.1

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.6.1. Check the vendor advisory for mitigations.

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4j3x-hhg2-fm2x
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4j3x-hhg2-fm2x

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