Directory Traversal

Overview @theia/plugin-ext is a Theia - Plugin Extension Affected versions of this package are vulnerable to Directory Traversal through the HostedPluginReader in plugin-reader, specifically the /hostedPlugin/:pluginId/:path resource handler. An attacker can read arbitrary files accessible to the...

CVE-2026-12609

In Eclipse Theia versions 1.66.0 and up until including 1.73.1, the @theia/plugin-ext backend exposes the /hostedPlugin/:pluginId/:path HTTP endpoint, which resolves the requested file path with path.resolvelocalPath, filePath without verifying that the resolved path stays within the plugin's...

CVE-2021-41038

In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage...

CVE-2021-41038

In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage...