What’s Vulnerable › Vulnerabilities

CVE-2026-74906: SiYuan before v3.7.4 Incorrect Authorization via Publish Access

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-18 · updated 2026-10-22
• Weakness: CWE-863

Description

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.

Affected products

• siyuan-note siyuan: before 3.7.4 — fixed in 3.7.4

How to fix

Upgrade to a fixed version: siyuan-note siyuan 3.7.4. Check the vendor advisory for mitigations.

References

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

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