CVE-2026-116170

MEDIUM 4.9

SiYuan before v3.8.7 SQL Injection via History Search op and query

CVSS Score

4.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-89
Vendor	siyuan-note
Product	siyuan
Published	Oct 25, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

siyuan-note / siyuan

0 < 3.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 alienkeric