Analyze this commit from a security perspective.

Commit Message:
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Files Changed:
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Stats:
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Diff:
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Focus on:
- Input validation issues
- Injection risks
- Authentication or authorization regressions
- Sensitive data exposure
- Insecure defaults
- Dependency or configuration risks

Return:

1. Security Findings:
- List any vulnerabilities or suspicious changes
- If none are apparent, say so clearly

2. Severity:
- Low / Medium / High with reasoning

3. Recommended Mitigations:
- Suggest concrete hardening steps or tests
