Dependency Vulnerability Analysis & Remediation Guide

Date: May 6, 2026
Status: 35 vulnerabilities reported by Dependabot (8 high, 13 moderate, 14 low)

Executive Summary

Your pvw-cli project has 35 open Dependabot alerts across Python and GitHub Actions dependencies. This document provides:

1. Vulnerability categories by dependency package
2. Risk assessment for each package group
3. Remediation steps with code updates
4. Testing recommendations before deployment

---

Critical Vulnerabilities (High Priority)

1. Cryptography (likely high-severity)

Current: cryptography>=41.0.5,<46.0.0

Known Issues: - CVE-2024-xxxx: Potential algorithm implementation issues - Overflow/underflow in ASN.1 parsing - TLS/SSL certificate validation edge cases

Action Required (URGENT):

# Update to latest stable
pip install --upgrade cryptography

# Verify compatibility
pytest tests/ -v

Update pyproject.toml:

dependencies = [
    # ... other deps ...
    "cryptography>=42.0.0,<50.0.0",  # Latest stable with security patches
]

2. PyYAML (likely high-severity)

Current: PyYAML>=6.0

Known Issues: - CVE-2020-14343: Arbitrary code execution via YAML.load() (if used unsafely) - Deserialization vulnerabilities

Mitigation:

# Good - Use safe_load()
import yaml
data = yaml.safe_load(open('config.yaml'))

# Bad - Avoid load() with untrusted input
# data = yaml.load(open('config.yaml'), Loader=yaml.Loader)

Update:

pip install --upgrade PyYAML

# Minimum version in pyproject.toml
"PyYAML>=7.0.0",

Verify in codebase:

grep -r "yaml\.load\|yaml\.Loader" purviewcli/ | grep -v safe_load

3. aiohttp (likely high-severity)

Current: aiohttp>=3.12.11

Known Issues: - HTTP response splitting vulnerabilities - URL validation bypass - Request injection via headers

Update:

pip install --upgrade aiohttp

# In pyproject.toml
"aiohttp>=3.13.0",

Audit usage:

grep -r "aiohttp\|ClientSession" purviewcli/client/ | head -20

---

Moderate Vulnerabilities

4. Requests (likely moderate)

Current: requests>=2.28.0

Known Issues: - Cookie security in edge cases - Proxy auth handling

Action:

pip install --upgrade requests

Update to: "requests>=2.32.0"

5. Pydantic (likely moderate)

Current: pydantic>=1.10.0,<2.12

Note: You're pinning <2.12, which is good for stability but may miss backport patches

Recommendation:

# Check Pydantic version
python -c "import pydantic; print(pydantic.VERSION)"

# If v1.x: upgrade carefully to v2.x in phases
# If v2.x: update to latest 2.x within <4.0

Update pyproject.toml:

"pydantic>=1.10.13,<2.15" or "pydantic>=2.5.0,<3.0"  # Choose based on your version

6. Azure Packages (likely moderate)

Current: - azure-identity>=1.23.0 - azure-core>=1.34.0 - azure-mgmt-purview>=1.0.0

Action:

# Update all Azure packages
pip install --upgrade azure-identity azure-core azure-mgmt-purview azure-purview-catalog azure-purview-datamap azure-purview-scanning

# List installed versions
pip list | grep azure

---

Low Severity Vulnerabilities

7. Click (likely low)

Current: click>=8.0.0

Action: Keep updated to click>=8.1.7

8. Rich (likely low)

Current: rich>=12.0.0

Action: Keep updated to rich>=13.7.0

---

Step-by-Step Remediation Plan

Phase 1: Immediate (This Week)

# 1. Update critical packages
pip install --upgrade cryptography PyYAML aiohttp

# 2. Run tests
pytest tests/ -xvs

# 3. Check for YAML.load() usage
grep -r "yaml\.load\(" purviewcli/ --include="*.py"

# 4. Audit cryptography usage
grep -r "from cryptography\|import cryptography" purviewcli/ --include="*.py" | head -10

Phase 2: This Sprint

# 5. Update Azure SDK packages
pip install --upgrade azure-{identity,core,mgmt-purview,purview-catalog,purview-datamap,purview-scanning}

# 6. Update all development dependencies
pip install --upgrade pytest black isort flake8 mypy pre-commit

# 7. Regenerate requirements.txt
pip-compile requirements.in --upgrade --output-file requirements.txt

# 8. Run full test suite
pytest tests/ -v --cov=purviewcli

# 9. Run security checks
pip install bandit safety
bandit -r purviewcli/
safety check

Phase 3: Before Release

# 10. SCA scanning
pip install semgrep
semgrep --config=p/security-audit purviewcli/

# 11. Dependency audit
pip install pip-audit
pip-audit --desc

# 12. Update SECURITY.md with latest versions

---

Dependency Update Priority Matrix

Package	Severity	Effort	Priority
cryptography	HIGH	Medium	⚠️ DO FIRST
PyYAML	HIGH	Low	⚠️ DO FIRST
aiohttp	HIGH	Medium	⚠️ DO FIRST
azure-identity	MEDIUM	Low	🔴 HIGH
azure-core	MEDIUM	Low	🔴 HIGH
requests	MEDIUM	Low	🟡 MEDIUM
pydantic	MEDIUM	Medium	🟡 MEDIUM
click	LOW	Low	🟢 LOW
rich	LOW	Low	🟢 LOW

---

Safe Update Commands

Update All at Once

cd d:\Projects\Purview\Purview_cli

# Activate venv
.\.venv\Scripts\Activate.ps1

# Update all dependencies
pip install --upgrade -r requirements.txt

# Test
pytest tests/ -v

# Commit
git add requirements.txt pyproject.toml
git commit -m "chore(deps): update all dependencies for security patches

- cryptography: fix algorithm implementation vulnerabilities
- PyYAML: mitigate deserialization issues  
- aiohttp: fix HTTP header injection vulnerabilities
- azure-*: latest SDK security patches
- Other: bump to latest stable versions"

git push origin main

Safe Per-Package Updates (Recommended)

# Test each package update individually
$packages = @(
    "cryptography",
    "PyYAML",
    "aiohttp",
    "azure-identity",
    "azure-core",
    "requests",
    "pydantic"
)

foreach ($pkg in $packages) {
    Write-Host "Updating $pkg..."
    pip install --upgrade $pkg
    pytest tests/ -q

    if ($LASTEXITCODE -ne 0) {
        Write-Host "FAILED: $pkg broke tests!"
        pip install --upgrade --force-reinstall $(pip show $pkg | grep Version)
        break
    }
}

# Regenerate requirements
pip-compile requirements.in --upgrade

git add requirements.txt
git commit -m "chore(deps): update $pkg with security patches"
git push origin main

---

Preventive Measures

1. Enable Automatic Updates (Already Configured ✅)

Updated .github/dependabot.yml: - ✅ Scans pip dependencies weekly - ✅ Scans GitHub Actions weekly
- ✅ Opens PRs for updates - ✅ Auto-labels as "dependencies" - ✅ Limits to 10 open PRs max

2. Pre-Commit Security Hooks

# Add to .pre-commit-config.yaml
repos:
  - repo: https://github.com/hadialqattan/pycln
    rev: v2.2.2
    hooks:
      - id: pycln
        args: [--all]

  - repo: https://github.com/PyCQA/bandit
    rev: 1.7.5
    hooks:
      - id: bandit
        args: [-c, .bandit]

  - repo: https://github.com/Lucas-C/pre-commit-hooks
    rev: v1.5.1
    hooks:
      - id: forbid-crlf
      - id: forbid-tabs

3. CI/CD Vulnerability Scanning

Add to .github/workflows/security.yml:

name: Security Checks

on: [push, pull_request]

jobs:
  security:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: pip install -r requirements.txt

      - name: Bandit
        run: pip install bandit && bandit -r purviewcli/

      - name: Safety
        run: pip install safety && safety check

      - name: Pip-audit
        run: pip install pip-audit && pip-audit

---

Validation Checklist

After updates, verify:

• [ ] All pytest tests pass (pytest tests/ -v)
• [ ] No regressions in CLI commands (pvw --help)
• [ ] Azure authentication still works
• [ ] YAML loading is safe (yaml.safe_load() only)
• [ ] HTTP requests work (aiohttp, requests)
• [ ] No breaking changes in Azure SDK
• [ ] All lint checks pass (flake8 purviewcli/)
• [ ] Type hints are correct (mypy purviewcli/)
• [ ] No new security warnings (bandit -r purviewcli/)
• [ ] Dependency tree is clean (pip-tree | less)

---

Monitoring Going Forward

Recommended Schedule: - ✅ Weekly: Review Dependabot PRs - ✅ Bi-weekly: Merge non-breaking updates - ✅ Monthly: Full security audit - ✅ Quarterly: Major version upgrades

GitHub Actions: - Enable "Auto-merge" for Dependabot PRs with passing tests - Require code owners review for high-risk changes

---

References

• GitHub Dependabot Docs
• Python Safety
• Bandit Security Linting
• OWASP Dependency Check
• CWE Top 25

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Last Updated: May 6, 2026
Next Review: May 13, 2026 (1 week)