Description
In Eclipse Theia versions prior to 1.71.0, the AI chat agent processed workspace file and directory names as part of its prompt context without distinguishing them from system instructions.
Recommendation
Update the @theia/ai-chat-ui package to the latest compatible version. Followings are version details:
- Affected version(s): < 1.71.0
- Patched version(s): 1.71.0
References
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- [Eclipse Theia] Indirect Prompt Injection via Adversarial Workspace File and Directory Names in AI Chat - @theia/ai-chat - CVE-2026-44688
- [Eclipse Theia] Indirect Prompt Injection via Adversarial Workspace File and Directory Names in AI Chat - @theia/ai-claude-code - CVE-2026-44688
- [Eclipse Theia] Indirect Prompt Injection via Adversarial Workspace File and Directory Names in AI Chat - @theia/ai-code-completion - CVE-2026-44688
- [Eclipse Theia] Indirect Prompt Injection via Adversarial Workspace File and Directory Names in AI Chat - @theia/ai-core - CVE-2026-44688
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See something that needs correcting? Let us knowUpdated June 19, 2026