CVE-2026-100644
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 26, 2026
Vendor
unknown
Description
SiYuan before v3.8.4 contains a SQL injection vulnerability in the graph query endpoint where the dailyNoteSavePath parameter is concatenated into SQL without escaping. Unauthenticated attackers on published sites with auth disabled can inject SQL via UNION SELECT to extract arbitrary database rows from all notebooks.