CVE-2026-104410

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-10-02

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-778g-gq49-fxxj
• https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-export-preview
• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-778g-gq49-fxxj

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