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CVE-2026-116170 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4hjx-84f6-gr7c	CISA-ADP	AdvisoryExploitRemedyVendor
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4hjx-84f6-gr7c	[email protected]	AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/siyuan-before-3.8.7-sql-injection-via-history-search-op-and-query	[email protected]	AdvisoryRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-89	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')	[email protected]

Affected Products

Product	Versions
SiYuan	<= 3.8.6 (semver)
CPE cpe:2.3:a:b3log:siyuan:::::::: Remediation Upgrade: v3.8.7moderate effort

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 29, 2026	CVE Modified	CISA-ADP
Oct 25, 2026	CVE Modified	[email protected]
Oct 25, 2026	New CVE Received	[email protected]