CVE-2026-72795

HIGH 8.6

SiYuan before v3.7.4 Information Disclosure via Embed Block

CVSS Score

8.6

EPSS Score

0.0%

EPSS Percentile

0th

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without authorization.

CWE	CWE-862
Vendor	siyuan-note
Product	siyuan
Published	Aug 12, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

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-h6w7-xxcf-w2mq vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-embed-block

Credits

🔍 Shirshakhtml