{
  "canonical_id": "nextjs--CVE-2025-49826",
  "system_id": "nextjs",
  "display_name": "Next.js",
  "category": "frameworks",
  "advisory_mode": "core",
  "title": "Next.JS vulnerability can lead to DoS via cache poisoning ",
  "summary": "### Summary\nA vulnerability affecting Next.js has been addressed. It impacted versions 15.0.4 through 15.1.8 and involved a cache poisoning bug leading to a Denial of Service (DoS) condition.\n\nUnder certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page\n\nMore details: [CVE-2025-49826](https://vercel.com/changelog/cve-2025-49826)\n\n## Credits\n- Allam Rachid [zhero;](https://zhero-web-sec.github.io/research-and-things/)\n- Allam Yasser (inzo)",
  "published_at": "2025-07-03T21:14:48Z",
  "updated_at": "2025-07-03T21:49:52Z",
  "severity": "low",
  "cvss_score": 3.1,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r",
  "secondary_source_urls": [
    "https://nvd.nist.gov/vuln/detail/CVE-2025-49826",
    "https://github.com/vercel/next.js/commit/16bfce64ef2157f2c1dfedcfdb7771bc63103fd2",
    "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93",
    "https://github.com/vercel/next.js",
    "https://github.com/vercel/next.js/releases/tag/v15.1.8",
    "https://vercel.com/changelog/cve-2025-49826"
  ],
  "aliases": [
    "CVE-2025-49826",
    "GHSA-67rr-84xm-4c7r"
  ],
  "cve_ids": [
    "CVE-2025-49826"
  ],
  "ghsa_ids": [
    "GHSA-67rr-84xm-4c7r"
  ],
  "osv_ids": [
    "GHSA-67rr-84xm-4c7r"
  ],
  "affected_versions": [
    "introduced=15.0.4-canary.51, fixed<15.1.8"
  ],
  "fixed_versions": [
    "15.1.8"
  ],
  "package_name": "next",
  "render_markdown": true,
  "case_path": "07-framework-security/frameworks/nextjs/cases/nextjs-cve-2025-49826.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
  }
}