CVE-2026-29073 PUBLISHED

SiYuan: Direct SQL Query API accessible to Reader-level users enables unauthorized database access

Assigner: GitHub_M
Reserved: 03.03.2026 Published: 06.03.2026 Updated: 06.03.2026

SiYuan is a personal knowledge management system. Prior to version 3.6.0, the /api/query/sql lets a user run sql directly, but it only checks basic auth, not admin rights, any logged-in user, even readers, can run any sql query on the database. This issue has been patched in version 3.6.0.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	siyuan-note
Product	siyuan
Versions	Version < 3.6.0 is affected

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jqwg-75qf-vmf9

Problem Types

CWE-862: Missing Authorization CWE
CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE