CVE-2026-72792

MEDIUM 5.8

SiYuan before v3.7.4 Information Disclosure via Tag API

CVSS Score

5.8

EPSS Score

0.0%

EPSS Percentile

0th

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.

CWE	CWE-863
Vendor	siyuan-note
Product	siyuan
Published	Aug 12, 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 < 3.7.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mp7r-57w4-5qm3 vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-tag-api

Credits

🔍 Shirshakhtml