VNX-140 – Improper Neutralization of Delimiters

Overview

VNX-140 maps to CWE-140: Improper Neutralization of Delimiters. Detects source patterns associated with CWE-140 (Improper Neutralization of Delimiters). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-140 | Languages: node, python

Why This Matters

This weakness class (Improper Neutralization of Delimiters) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-140 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 'request.' pattern
request.

// FLAGGED: contains 'req.' pattern
req.

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-140 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-140 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References