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CVE-2026-87810

Siyuan before v3.8.2 Information Disclosure via fullTextSearchBlock PUBLISHED

Description (CNA)

Siyuan before v3.8.2 contains an information disclosure vulnerability in the POST /api/search/fullTextSearchBlock endpoint that filters private blocks from results but returns unfiltered match counts. Unauthenticated publish-mode readers can submit arbitrary search terms to learn whether matching content exists in hidden or unpublished documents and determine the number of matching blocks and pages.

Affected (CNA)

Vendor / productVersions
siyuan-note / siyuanaffected 0 before 3.8.2; unaffected 3.8.2

CWE

CWE-200

References

ADP enrichment

CISA-ADP

No English description supplied.