Medium 4.9Published Oct 25, 2026

CVE-2026-116170SiYuan before v3.8.7 SQL Injection via History Search op and query

Updated under an hour ago (Oct 27, 2026, 9:23 PM ET)

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Every CVE for siyuan-note siyuan

Exploited in the last 30 days

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.

CVSS: 4.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-89
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 25, 2026
First seen by InfoSec Signals: Oct 25, 2026

Affected products

Affected products

siyuan-note siyuan siyuan_note:siyuan (from the name)	before 3.8.7; 3.8.7 not affected	CNA record

References

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4hjx-84f6-gr7c	vendor-advisory
https://www.vulncheck.com/advisories/siyuan-before-3.8.7-sql-injection-via-history-search-op-and-query	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.