CVE-2026-74906

HIGH 7.5

SiYuan before v3.7.4 Incorrect Authorization via Publish Access

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from publishing by accessing search, backlink, asset content, saved criteria, recent documents, graph, and tag endpoints.

CWE	CWE-863
Vendor	siyuan-note
Product	siyuan
Published	Aug 18, 2026
Last Updated	Aug 18, 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 < 3.7.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-48p5-pffc-5r9p vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-incorrect-authorization-via-publish-access

Credits

🔍 alham-rizvi