CVE-2026-104410

High

Description

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish readers to read password-protected and publish-disabled database rows via the /api/export/preview endpoint. Attackers can request an export preview of a public document embedding a database view to obtain protected rows' primary-key text and cell values.

SeverityHigh

CVSS7.5

Exploit probability—

ProductSiyuan

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

siyuan-note siyuan3.8.5 or later

Vendor advisories

github.com/siyuan-note/siyuan/security/advisories/GHSA-778g-gq49-fxxj

Affected products

Product	Affected versions	Fixed in
siyuan-note siyuan	v < 3.8.5	3.8.5

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