VNX-1289 – Improper Validation of Unsafe Equivalence in Input

Overview

VNX-1289 maps to CWE-1289: Improper Validation of Unsafe Equivalence in Input. Detects source patterns associated with CWE-1289 (Improper Validation of Unsafe Equivalence in Input). Each finding should be manually reviewed for exploitability in context.

Severity: Low | CWE: CWE-1289 | Languages: python

Why This Matters

This weakness class (Improper Validation of Unsafe Equivalence in Input) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-1289 and surfaces them for review. Each finding should be evaluated in context — the rule catches the pattern, not the context.

What Gets Flagged

// FLAGGED: contains 'if ' pattern
if

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-1289 or a false positive.
  2. Replace the flagged construct with a documented safe alternative appropriate to your language and framework.
  3. For confirmed false positives, add a # vulnetix-ignore: VNX-1289 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References