Security Fix: Suppress gosec warning for intentional error ignoring in semver.go (Alert #477)

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Security Fix: Unhandled Error in semver.go

Alert Number: #477
Severity: LOW
Rule: G104 - Errors unhandled
Confidence: HIGH

Vulnerability Description

Gosec flagged an unhandled error on line 58 in pkg/workflow/semver.go where fmt.Sscanf is called to parse version strings. The error from fmt.Sscanf was being ignored, which gosec identified as a potential security issue.

Root Cause Analysis

The code intentionally ignores the error from fmt.Sscanf because the function is designed to default to 0 for non-numeric version parts (e.g., "beta", "alpha"). This is documented in the function's comment and is the desired behavior.

The previous attempt to fix this (using _, _ = fmt.Sscanf(...)) didn't properly suppress the gosec warning because gosec doesn't recognize the blank identifier assignment pattern as explicit error handling.

Fix Applied

Added a #nosec G104 comment immediately before the fmt.Sscanf call to properly suppress the gosec warning while maintaining the intentional behavior:

// #nosec G104 - Intentionally ignoring Sscanf error as function defaults to 0 for non-numeric version parts
_, _ = fmt.Sscanf(parts[0], "%d", &major)

Security Best Practices

1. Explicit Documentation: The #nosec directive includes a clear justification explaining why the error is intentionally ignored
2. Safe Default Behavior: The function defaults to 0 for non-numeric parts, which is safe and expected behavior for version parsing
3. Maintained Functionality: The fix doesn't change the function's behavior, only adds proper security annotations

Testing Considerations

• ✅ Build verification: go build ./pkg/workflow/... passes successfully
• ✅ No functional changes: The behavior remains identical to the previous implementation
• ✅ The function correctly handles version strings with non-numeric parts by defaulting to 0

Files Changed

• pkg/workflow/semver.go:58 - Added #nosec G104 comment with detailed justification

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Related: This addresses CodeQL/gosec alert #477

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