# find-security-vulnerabilities-in-code

> Claude/Codex skill by [@usestrix](https://omgskills.com/library/usestrix/index.md) · 69k stars · Updated 2026-10-15

Find security vulnerabilities in a codebase or repository with Strix — a white-box AI security review that reads your source, reasons about the actual data flow and authorization model, then exploits what it finds in a live sandbox so every reported issue has a working proof-of-concept instead of a noisy static-analysis alert. Covers injection, XSS, SSRF, broken access control and IDOR, insecure deserialization, secrets in code, unsafe dependencies, and business-logic flaws. Use when the user asks to security-scan, security-review, or audit their code, repo, or pull request for vulnerabilities.

Tags: agents, ai-hacking, ai-penetration-testing, ai-pentesting, ai-security, artificial-intelligence, bug-bounty, code-quality, ctf-tools, cybersecurity, cybersecurity-tools, ethical-hacking, hacking, llm-security, offensive-security, penetration-testing, pentesting-tools, red-teaming, security, security-automation

## Install

```sh
git clone https://github.com/usestrix/strix /tmp/strix && ln -s /tmp/strix/skills/find-security-vulnerabilities-in-code ~/.claude/skills/find-security-vulnerabilities-in-code
```

## From README

Find security vulnerabilities in code White-box security review with Strix: the agents read the source to build a model of routes, sinks, and authorization checks, then attempt real exploitation. Findings come with a proof-of-concept, so the output is a short list of proven issues rather than the hundreds of "potential" hits a pattern-matching scanner produces. , LLM , all flags, and the managed-cloud path are in the penetration-testing-with-strix skill. For a run with no Docker and no LLM key, the same binary drives the managed platform: strix cloud login, then strix cloud scans start ... (details in managed-pentesting-with-strix). Run it A local path is mounted into the sandbox writable, so the agents can modify it. Run against a clean checkout. Two things sharply improve results: Add a running instance of the app.

## Links

- HTML page: https://omgskills.com/skills/usestrix/strix/find-security-vulnerabilities-in-code/
- GitHub: https://github.com/usestrix/strix
- Author: [@usestrix](https://omgskills.com/library/usestrix/index.md)

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