Report: CVE-2026-40318 - SiYuan: Publish Reader Path Traversal Delete via `removeUnusedAttributeView` - Guide
CVE ID :CVE-2026-40318 Published : April 16, 2026, 11:16 p.m. | 1 hour, 52 minutes ago Description :SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and prior, the /api/av/removeUnusedAttributeView endpoint constructs a filesystem path using the user-controlled id parameter without validation or path boundary enforcement. An attacker can inject path traversal sequences such as ../ into the id value to escape the intended directory and delete arbitrary .json files on the server, including global configuration files and workspace metadata. This issue has been fixed in version 3.6.4. Severity: 8.5 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...