CVE-2026-100644

SiYuan before v3.8.4 SQL Injection via dailyNoteSavePath

State
Published
Severity
8.7 High
Published
Sep 26, 2026
Updated
Oct 8, 2026
Reserved
Sep 26, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NVulnCheck
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NVulnCheck

Weaknesses

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

ProductVersions
siyuansiyuan-note
  • before 3.8.4Affected
  • 3.8.4Not affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.