B3log Vulnerabilities

Comprehensive security vulnerability database for B3log products

Last updated: Mar 10, 2026
Total CVEs

1

Critical

0

With Exploits

1

Last 30 Days

1

Severity Distribution

Critical0
0%
High1
100%
Medium2
200%
Low0
0%
DescriptionVendor / ProductExploit Status
CVE-2026-309267.1

This vulnerability allows low-privilege users to modify existing notebook content in the SiYuan knowledge management system, even though they should only have read-only access. It occurs because the system doesn't properly check user permissions, enabling these users to add new content to documents through a specific API.

b3logsiyuan
Exploit Available
29 days agoMar 10, 2026

About B3log Security

This page tracks all publicly disclosed security vulnerabilities (CVEs) affecting B3log products. Our database is updated in real-time from the National Vulnerability Database (NVD) and enriched with exploit information from GitHub and other security research sources.

Each CVE listing includes CVSS severity scores, exploit availability status, AI-powered vulnerability summaries, and links to official patches and security advisories.