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,...