CVE-2026-87807
siyuan before v3.8.2 SQL Injection via fullTextSearchBlock
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
siyuan versions before v3.8.2 contain an authenticated SQL injection vulnerability in the fullTextSearchBlock endpoint's method=1 query parameter. Attackers can inject UNION SELECT statements to read the entire blocks table, bypassing publish-access controls and exposing all document content and sensitive attributes.
| CWE | CWE-89 |
| Vendor | siyuan-note |
| Product | siyuan |
| Published | Sep 9, 2026 |
| Last Updated | Sep 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
siyuan-note / siyuan
0 < 3.8.2
References
Credits
🔍 alienkeric