Eclipse Theia - Unauthenticated Path Traversal

Eclipse Theia's plugin-ext backend exposes the hostedPlugin endpoint without constraining the resolved path to the plugin directory. An unauthenticated request using encoded traversal sequences can therefore read files accessible to the backend process. The built-in vscodebat plugin identifier...

CVE-2026-82217

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

EUVD-2026-68519

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

CVE-2026-82217

Eclipse Theia versions 1.73.0 through 1.74.9 are affected by a path traversal vulnerability in the AI "Agent Mode" file-change tools (writeFileContent , suggestFileContent , and related helpers). The root cause is the absence of a workspace-containment check on model-supplied file paths, allowing...

CVE-2026-82217

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

CVE-2026-82217

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

CVE-2026-82217

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

CVE-2026-82217: Improper Limitation of a Pathname to a Restricted Directory

In Eclipse Theia versions 1.73.0 up to but not including 1.75.0, the AI "Agent Mode" file-change tools writeFileContent, suggestFileContent, and the replacement and state helpers resolved a model-supplied file path without a workspace-containment check. A crafted relative path such as ../.bashrc,...

PT-2026-83818

Name of the Vulnerable Software and Affected Versions Eclipse Theia versions 1.73.0 through 1.74.x Description In AI Agent Mode, file-change tools resolve model-supplied file paths without verifying if they are contained within the workspace. This allows a crafted relative path, an absolute path,...

CVE-2026-19884

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

CVE-2026-19884

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

CVE-2026-19884

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

CVE-2026-19884

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

CVE-2026-19884

The CVE affects Eclipse Theia up to v1.69.0, where opening a folder can trigger source control integration and run git commands (e.g., git status) without user trust. A repository-local .git/config containing core.fsmonitor or similar settings can cause arbitrary commands to execute with the user...

EUVD-2026-58685

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

CVE-2026-19884: Inclusion of Functionality from Untrusted Control Sphere

In Eclipse Theia versions up to and including 1.69.0, opening a folder starts source control integration without requiring the user to trust the folder first. This affects applications built on Theia that include the git integration, such as the Theia IDE. Both Theia's own @theia/git extension an...

PT-2026-72042

Name of the Vulnerable Software and Affected Versions Eclipse Theia versions prior to 1.70.0 Description Opening a folder in applications built on Theia that include git integration, such as the Theia IDE, triggers source control integration without requiring the user to trust the folder first. T...

CVE-2026-61891

In Eclipse Theia versions up to and including 1.73.1, the @theia/filesystem backend exposes HTTP file-download endpoints GET /file, GET /files/, PUT /files/ that convert a client-supplied URI directly to a filesystem path and stream the file, without confining it to the workspace or any...

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...

CVE-2026-61891: Improper Limitation of a Pathname to a Restricted Directory

In Eclipse Theia versions up to and including 1.73.1, the @theia/filesystem backend exposes HTTP file-download endpoints GET /file, GET /files/, PUT /files/ that convert a client-supplied URI directly to a filesystem path and stream the file, without confining it to the workspace or any...