PT-2026-99304

Name of the Vulnerable Software and Affected Versions SiYuan versions 3.8.0 through 3.8.3 Description An authenticated administrator using the in-app Agent or the external MCP server can bypass the protected-workspace-file denylist. This occurs because the sensitive-path guard...

CVE-2026-100633: Incorrect Authorization

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...