CVE-2026-100644

HighCVSS 7.5/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-89

Affected software

Vendor	Product	Versions
siyuan-note	siyuan	< 3.8.4

References

Timeline

Published: Sep 26, 2026
Last modified: Oct 8, 2026
NVD status: Deferred

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