CVE-2026-104410

HIGH 7.5

SiYuan before 3.8.5 Information Disclosure via /api/export/preview

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	siyuan-note
Product	siyuan
Published	Oct 2, 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 < 3.8.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 manus-pi 🔍 manus-use