CyberRota Analysis
AI-GeneratedEclipse Theia versions 0.7.0 to 1.73.1 are vulnerable due to the `PreferenceUtils.merge` function, which improperly handles prototype-related keys, allowing crafted preference values to modify `Object.prototype`. This vulnerability can lead to unintended alterations in application logic when a user opens a workspace with a malicious settings file. Developers and organizations using affected versions should prioritize patching to mitigate potential exploitation risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD Description
In Eclipse Theia versions 0.7.0 and up until including 1.73.1, the `PreferenceUtils.merge` function in `@theia/core` recursively merges preference values without rejecting prototype-related keys (`__proto__`, `constructor`, `prototype`). Because this function is invoked by `PreferenceServiceImpl.doResolve` for every preference resolution across scopes (default, user, workspace, folder), a crafted preference value in a workspace settings file (`.theia/settings.json` or `.vscode/settings.json`) can pollute `Object.prototype` when the user opens the workspace, potentially altering application logic across the Theia process.
Related CVEs
Other vulnerabilities affecting the same vendor(s)