CVE-2026-33669

Critical

Description

SiYuan is a personal knowledge management system. Prior to version 3.6.2, document IDs were retrieved via the /api/file/readDir interface, and then the /api/block/getChildBlocks interface was used to view the content of all documents. Version 3.6.2 patches the issue.

SeverityCritical
CVSS9.8
Exploit probability—
ProductB3log Siyuan
PublishedMar 26, 2026
First seenMar 26, 2026

How to fix

Update
  • b3log siyuan3.6.2 or later

Affected products

ProductAffected versionsFixed in
b3log siyuanv < 3.6.23.6.2
github.com/siyuan-note/siyuan/kernelGov ≤ 0.0.0-20260317012524-fe4523fff2c8, No range specified—

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CVE-2026-33669 · B3log Siyuan · Dark Radar