CVE-2026-116170

Medium

Description

SiYuan before v3.8.7 contains an sql injection vulnerability that allows admin-token holders to read history.db by injecting unescaped op and type=3 query values. Attackers can send crafted UNION SELECT payloads to searchHistory or getHistoryItems endpoints to exfiltrate deleted document content, titles, and paths.

SeverityMedium

CVSS4.9

Exploit probability—

ProductSiyuan

PublishedOct 25, 2026

First seenOct 25, 2026

Weakness typeCWE-89SQL injection

How to fix

Update

siyuan-note siyuan3.8.7 or later

Vendor advisories

github.com/siyuan-note/siyuan/security/advisories/GHSA-4hjx-84f6-gr7c

Affected products

Product	Affected versions	Fixed in
siyuan-note siyuan	v < 3.8.7	3.8.7

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