This warning appears when npm audit detects high-severity security vulnerabilities in your dependencies. While not as urgent as critical, high-severity issues should be addressed promptly.
The "High severity vulnerabilities require your attention" warning means npm found security issues that pose significant risk but aren't quite at the critical level. High-severity vulnerabilities might enable: - Denial of service attacks - Sensitive data access - Privilege escalation - Cross-site scripting (XSS) Unlike critical vulnerabilities, high-severity issues may not immediately block your CI/CD pipeline (depending on configuration), but they should be addressed soon to maintain application security.
Get a detailed report:
npm audit
# Show only high and above
npm audit --audit-level=highReview each vulnerability to understand:
- What package is affected
- What the vulnerability enables
- Whether a fix is available
Let npm fix what it can safely:
npm audit fixThis updates to patched versions within semver constraints.
For remaining vulnerabilities, update manually:
# Check available versions
npm view package-name versions
# Install patched version
npm install package-name@latestIf the vulnerability is deep in the dependency tree:
1. Check if the direct dependency has an update:
npm outdated2. Use overrides if needed (npm 8.3+):
{
"overrides": {
"vulnerable-nested-package": "^1.2.3"
}
}Not all vulnerabilities affect your application. Consider:
- Is it in a devDependency only?
- Is the vulnerable code path actually used?
- Does exploitation require special conditions?
Check production-only vulnerabilities:
npm audit --omit=devPrioritization: Focus on:
1. Direct dependencies (easier to fix)
2. Production dependencies over dev dependencies
3. Vulnerabilities in code paths you actually use
Monitoring: Set up automated vulnerability monitoring:
- GitHub Dependabot
- Snyk
- npm audit in CI/CD
When you can't fix immediately: Document the vulnerability, assess the actual risk to your application, and plan remediation. Some vulnerabilities require conditions that don't apply to your use case.
Regular maintenance: Run npm audit regularly and keep dependencies updated to prevent vulnerability accumulation.
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