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variant-analysis

Group code variants matching a vulnerability pattern into similarity families.

10|4|Updated Feb 5, 2026
Search Tags:#security#vulnerability#pattern#codeql#semgrep#variant-analysis
One-click install
npx skills add https://github.com/sbknana/equipa --skill variant-analysis-sbknana
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: variant-analysis
Source: https://github.com/sbknana/equipa/tree/main/skills/security/variant-analysis/skills/variant-analysis
Command: npx skills add https://github.com/sbknana/equipa --skill variant-analysis-sbknana

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps security engineers identify and group similar vulnerabilities across codebases by pattern-based analysis, enabling rapid variant discovery and broader risk assessment.

Core Features & Use Cases

  • Root-cause-first searches: start from a known vulnerability and expand to related patterns across the repository.
  • Iterative generalization: progressively abstract patterns to capture families of bugs with controlled false positives.
  • Triage-ready outputs: generate structured variant reports and provide actionable remediation guidance.

Quick Start

Identify all code areas that mirror the original vulnerability pattern and surface them as grouped variants.

Frequently Asked Questions about variant-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is variant analysis for finding vulnerability patterns in a codebase?▼

Variant analysis surfaces and categorizes code variants matching an original vulnerability pattern, grouping them into similarity families to enable rapid, repeatable auditing and inform remediation strategies across the codebase.

How do I find similar vulnerabilities across my codebase after discovering a root cause?▼

Start from a known vulnerability and progressively abstract the pattern to capture families of bugs. This iterative generalization expands searches to related patterns across the repository with controlled false positives.

Can I use CodeQL or Semgrep to search for vulnerability variants and group them by similarity?▼

Yes, variant analysis leverages pattern-based analysis using tools like CodeQL or Semgrep to identify matching code variants and group them into similarity families for broader risk assessment.

What is the best way to reduce false positives when generalizing vulnerability patterns?▼

The best way to reduce false positives is through iterative generalization, progressively abstracting patterns to ensure they generalize across the codebase without excessive matches while capturing true vulnerability families.

How does variant analysis output vulnerability reports for triage and remediation?▼

Variant analysis generates triage-ready structured reports that identify where variants appear and group them into similarity families, providing actionable remediation guidance for security engineers.

When should I use variant analysis instead of running a standard security scanner?▼

Use variant analysis when you need root-cause-first searches starting from a known vulnerability to expand to related patterns, rather than generic scanning, to perform broader risk assessment across the repository.

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