HIGH 8.7 NVD
CVE-2026-87807
siyuan versions before v3.8.2 contain an authenticated SQL injection vulnerability in the fullTextSearchBlock endpoint's method=1 query parameter. Attackers can
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.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-336w-67gx-gx2h
- https://www.vulncheck.com/advisories/siyuan-before-3.8.2-sql-injection-via-fulltextsearchb
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-09 via NVD.
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