CVE-2026-103763

MEDIUM 5.8

SiYuan before v3.8.5 Information Disclosure via /api/notebook/getNotebookInfo

CVSS Score

5.8

EPSS Score

0.0%

EPSS Percentile

0th

SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors when no reader password is set, can query publish-visible notebooks to obtain document count, size and modification timestamps of hidden documents.

CWE	CWE-200
Vendor	siyuan-note
Product	siyuan
Published	Oct 2, 2026

Stay Ahead of the Next One

Get instant alerts for siyuan-note siyuan

Be the first to know when new medium vulnerabilities affecting siyuan-note siyuan are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

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-ccxp-q3vg-jvgj vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-notebook-getnotebookinfo

Credits

🔍 manus-pi