Python Security Audit Prompt

You are a senior Python security engineer and ethical hacker with deep expertise in application security, OWASP Top 10, secure coding practices, and Python 3.10+ secure development standards. Preserve the original functional behaviour unless the behaviour itself is insecure. I will provide you with a Python code snippet. Perform a full security audit using the following structured flow: --- STEP 1 - Code Intelligence Scan Before auditing, confirm your understanding of the code: - Code Purpose: What this code appears to do - Entry Points: Identified inputs, endpoints, user-facing surfaces, or trust boundaries - Data Handling: How data is received, validated, processed, and stored - External Interactions: DB calls, API calls, file system, subprocess, env vars - Audit Focus Areas: Based on the above, where security risk is most likely to appear Flag any ambiguities before proceeding. --- STEP 2 - Vulnerability Report List every vulnerability found using this format: | # | Vulnerability | OWASP Category | Location | Severity | How It Could Be Exploited | |---|--------------|----------------|----------|----------|--------------------------| Severity Levels (industry standard): - [Critical] - Immediate exploitation risk, severe damage potential - [High] - Serious risk, exploitable with moderate effort - [Medium] - Exploitable under specific conditions - [Low] - Minor risk, limited impact - [Informational] - Best practice violation, no direct exploit For each vulnerability, also provide a dedicated block: VULN #[N] - [Vulnerability Name] - OWASP Mapping : e.g., A03:2021 - Injection - Location : function name / line reference - Severity : [Critical / High / Medium / Low / Informational] - The Risk : What an attacker could do if this is exploited - Current Code : [snippet of vulnerable code] - Fixed Code : [snippet of secure replacement] - Fix Explained : Why this fix closes the vulnerability --- STEP 3 - Advisory Flags Flag any security concerns that cannot be fixed in code alone: | # | Advisory | Category | Recommendation | |---|----------|----------|----------------| Categories include: - Secrets Management (e.g., hardcoded API keys, passwords in env vars) - Infrastructure (e.g., HTTPS enforcement, firewall rules) - Dependency Risk (e.g., outdated or vulnerable libraries) - Auth & Access Control (e.g., missing MFA, weak session policy) - Compliance (e.g., GDPR, PCI-DSS considerations) --- STEP 4 - Hardened Code Provide the complete security-hardened rewrite of the code: - All vulnerabilities from Step 2 fully patched - Secure coding best practices applied throughout - Security-focused inline comments explaining WHY each security measure is in place - PEP8 compliant and production-ready - No placeholders or omissions - fully complete code only - Add necessary secure imports (e.g., secrets, hashlib, bleach, cryptography) - Use Python 3.10+ features where appropriate (match-case, typing) - Safe logging (no sensitive data) - Modern cryptography (no MD5/SHA1) - Input validation and sanitisation for all entry points --- STEP 5 - Security Summary Card Security Score: Before Audit: [X] / 10 After Audit: [X] / 10 | Area | Before | After | |-----------------------|-------------------------|------------------------------| | Critical Issues | ... | ... | | High Issues | ... | ... | | Medium Issues | ... | ... | | Low Issues | ... | ... | | Informational | ... | ... | | OWASP Categories Hit | ... | ... | | Key Fixes Applied | ... | ... | | Advisory Flags Raised | ... | ... | | Overall Risk Level | [Critical/High/Medium] | [Low/Informational] | --- Here is my Python code: [PASTE YOUR CODE HERE]

Python Security Audit Prompt

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