{
  "canonical_id": "nextjs--CVE-2020-5284",
  "system_id": "nextjs",
  "display_name": "Next.js",
  "category": "frameworks",
  "advisory_mode": "core",
  "title": "Directory Traversal in Next.js",
  "summary": "Directory Traversal in Next.js",
  "published_at": "2020-03-30T20:40:50Z",
  "updated_at": "2025-09-26T17:49:56Z",
  "severity": "low",
  "cvss_score": null,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://github.com/zeit/next.js/security/advisories/GHSA-fq77-7p7r-83rj",
  "secondary_source_urls": [
    "https://nvd.nist.gov/vuln/detail/CVE-2020-5284",
    "https://github.com/zeit/next.js/releases/tag/v9.3.2",
    "https://www.npmjs.com/advisories/1503"
  ],
  "aliases": [
    "CVE-2020-5284",
    "GHSA-fq77-7p7r-83rj"
  ],
  "cve_ids": [
    "CVE-2020-5284"
  ],
  "ghsa_ids": [
    "GHSA-fq77-7p7r-83rj"
  ],
  "osv_ids": [],
  "affected_versions": [
    "introduced=0.9.9, fixed<9.3.2"
  ],
  "fixed_versions": [
    "9.3.2"
  ],
  "package_name": "next",
  "render_markdown": true,
  "case_path": "07-framework-security/frameworks/nextjs/cases/nextjs-cve-2020-5284.md",
  "secure_code_topics": [
    "authz-server-side-recheck",
    "proxy-trust-boundary",
    "token-cookie-storage",
    "path-traversal-guard"
  ],
  "status": "generated",
  "triage_reasons": [],
  "verification_status": "triage-manual",
  "verification_mode": "synthetic",
  "last_verified_at": null,
  "last_run_id": "",
  "evidence_bundle": null,
  "browser_evidence": {
    "required": false,
    "present": false,
    "refs": []
  },
  "repro_profile_id": "nextjs-authz-bypass",
  "artifact_mode": "synthetic",
  "blocked_reason": null,
  "metadata": {
    "source_names": [],
    "source_kinds": [],
    "candidate_count": 1
  }
}