CVE-2026-72789

High

Description

SiYuan before v3.7.4 fails to properly validate publish access for encrypted notebooks, treating them as publicly accessible by default. Anonymous readers can enumerate and retrieve fully decrypted document content from unlocked encrypted notebooks through the publish API without authentication or key material.

SeverityHigh
CVSS8.6
Exploit probability—
ProductGithub.com/siyuan-note/siyuan/kernel
PublishedAug 12, 2026
First seenAug 12, 2026

How to fix

Update
  • github.com/siyuan-note/siyuan/kernel0.0.0-20260726020813-a25c2dd06aae or later

Affected products

ProductAffected versionsFixed in
github.com/siyuan-note/siyuan/kernelGov < 0.0.0-20260726020813-a25c2dd06aae0.0.0-20260726020813-a25c2dd06aae

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CVE-2026-72789 · Github.com/siyuan-note/siyuan/kernel · Dark Radar