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Security Fix: Restrict file permissions in copilot-agents.go (Alert #383) #8831

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Merged
pelikhan merged 1 commit into from
Jan 4, 2026
Merged

Security Fix: Restrict file permissions in copilot-agents.go (Alert #383) #8831

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5 changes: 3 additions & 2 deletions pkg/cli/copilot-agents.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ func ensureFileMatchesTemplate(subdir, fileName, templateContent, fileType strin
return nil
}

// Write the file
if err := os.WriteFile(targetPath, []byte(templateContent), 0644); err != nil {
// Write the file with restrictive permissions (0600) to follow security best practices
// Agent files and instructions may contain sensitive configuration
if err := os.WriteFile(targetPath, []byte(templateContent), 0600); err != nil {
copilotAgentsLog.Printf("Failed to write file: %s, error: %v", targetPath, err)
return fmt.Errorf("failed to write %s: %w", fileType, err)
}
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