{
  "canonical_id": "nextjs--CVE-2024-51479",
  "system_id": "nextjs",
  "display_name": "Next.js",
  "category": "frameworks",
  "advisory_mode": "core",
  "title": "Next.js authorization bypass vulnerability",
  "summary": "### Impact\nIf a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed.\n\n### Patches\nThis issue was patched in Next.js `14.2.15` and later.\n\nIf your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version.\n\n### Workarounds\nThere are no official workarounds for this vulnerability.\n\n#### Credits\nWe'd like to thank [tyage](http://github.com/tyage) (GMO CyberSecurity by IERAE) for responsible disclosure of this issue.",
  "published_at": "2024-12-17T15:09:06Z",
  "updated_at": "2025-09-10T21:12:24Z",
  "severity": "low",
  "cvss_score": 3.1,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://github.com/vercel/next.js/security/advisories/GHSA-7gfc-8cq8-jh5f",
  "secondary_source_urls": [
    "https://nvd.nist.gov/vuln/detail/CVE-2024-51479",
    "https://github.com/vercel/next.js/commit/1c8234eb20bc8afd396b89999a00f06b61d72d7b",
    "https://github.com/vercel/next.js",
    "https://github.com/vercel/next.js/releases/tag/v14.2.15"
  ],
  "aliases": [
    "CVE-2024-51479",
    "GHSA-7gfc-8cq8-jh5f"
  ],
  "cve_ids": [
    "CVE-2024-51479"
  ],
  "ghsa_ids": [
    "GHSA-7gfc-8cq8-jh5f"
  ],
  "osv_ids": [
    "GHSA-7gfc-8cq8-jh5f"
  ],
  "affected_versions": [
    "introduced=9.5.5, fixed<14.2.15"
  ],
  "fixed_versions": [
    "14.2.15"
  ],
  "package_name": "next",
  "render_markdown": true,
  "case_path": "07-framework-security/frameworks/nextjs/cases/nextjs-cve-2024-51479.md",
  "secure_code_topics": [
    "authz-server-side-recheck",
    "proxy-trust-boundary",
    "token-cookie-storage"
  ],
  "status": "generated",
  "triage_reasons": [],
  "metadata": {
    "source_names": [
      "OSV Next.js"
    ],
    "source_kinds": [
      "osv-batch"
    ],
    "candidate_count": 1
  }
}