Trae IDE OpenPreview Data Exfiltration

Affected Vendor(s)

Affected Product(s)

Summary

Trae IDE can expose developer secrets. A malicious repository can use .trae/rules/project_rules.md to make the agent read .env files and send API keys externally via OpenPreview.

Timeline

Discovered on
December 17, 2025
Disclosed to Vendor on
December 17, 2025
Published on
June 22, 2026

Credit

Blog Post

References