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Hunting for variants of a bug in code v1.0.0

Use this resource to find other occurrences of a vulnerability that is already known in a codebase

New

  • 576 downloads
  • 113 likes
  • 248 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install vulnerability-variant-hunting

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent starts from a known flaw, writes an exact pattern, then generalizes it step by step. It relies on CodeQL queries or Semgrep rules per language and sorts the results. You get a list of variants with a triage report.

Mostly picked by

Updated November 2, 2026

Card for the “Hunting for variants of a bug in code” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

Similar resources

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What you get

  • METHODOLOGY.md: five-step method, from the initial flaw to triage
  • resources/: CodeQL queries and Semgrep rules for C++, Go, Java, JavaScript and Python

Good fit for

  • You fixed an injection and want to check the other places
  • You are writing CodeQL queries for a recurring security pattern

Not for

    Tags

    • variants
    • codeql
    • semgrep
    • flaw
    • audit

    About

    You say

    “Look for other places in the Java repository that repeat this unsafe deserialization pattern.”

    Card for the “Hunting for variants of a bug in code” skill

    Skill published by waybarrios under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to find other occurrences of a vulnerability that is already known in a codebase
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • METHODOLOGY.md9.7 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • resources/codeql/cpp.ql3.5 KB
    • resources/codeql/go.ql2 KB
    • resources/codeql/java.ql2.4 KB
    • resources/codeql/javascript.ql1.8 KB
    • resources/codeql/python.ql2.5 KB
    • resources/semgrep/cpp.yaml2.8 KB
    • resources/semgrep/go.yaml1.8 KB
    • resources/semgrep/java.yaml2 KB
    • resources/semgrep/javascript.yaml1.7 KB
    • resources/semgrep/python.yaml2 KB
    • resources/variant-report-template.md1.4 KB
    • SKILL.md5.7 KB

    Origin and licence

    Listed unmodified

    Author
    waybarrios
    Source
    github.com/waybarrios/opencode-power-pack/tree/c3328ad1633c1561026532f29b718a2380bc52ee/skills/variant-analysis
    Licence
    MIT

    Notice

    « variant-analysis » (waybarrios, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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