[seonghobae]

🚨 Severity: MEDIUM
💡 Vulnerability: User-provided string fields (DiagramViewCreateIn.name, TableAnnotationUpsertIn.schema_name, TableAnnotationUpsertIn.relation_name, ApiKeyCreateIn.key_name) lacked strict validation against control characters.
🎯 Impact: This could potentially lead to Log Injection (CRLF injection), Null Byte Injection, or terminal escape injection if these strings are subsequently logged or rendered directly.
🔧 Fix: Used explicit regex validation pattern=r"^[^\x00-\x1F\x7F]+$" on Pydantic string fields to strictly reject control characters. Added corresponding test cases.
✅ Verification: Tested via pytest tests/test_schema_validation.py which passes successfully and confirms that Pydantic rejects schemas with control characters in those fields.

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PR created automatically by Jules for task 6327104497254194803 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between 8dc7469 and f1b9775.

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📒 Files selected for processing (2)

• backend/app/schemas.py
• backend/tests/test_schema_validation.py

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