{
  "canonical_id": "nextjs--CVE-2025-32421",
  "system_id": "nextjs",
  "display_name": "Next.js",
  "category": "frameworks",
  "advisory_mode": "core",
  "title": "Next.js Race Condition to Cache Poisoning",
  "summary": "**Summary**  \nWe received a responsible disclosure from Allam Rachid (zhero) for a low-severity race-condition vulnerability in Next.js. This issue only affects the **Pages Router** under certain misconfigurations, causing normal endpoints to serve `pageProps` data instead of standard HTML.\n\n[Learn more here](https://vercel.com/changelog/cve-2025-32421)\n\n**Credit**  \nThank you to **Allam Rachid (zhero)** for the responsible disclosure. This research was rewarded as part of our bug bounty program.",
  "published_at": "2025-05-15T14:12:26Z",
  "updated_at": "2025-09-26T17:48:29Z",
  "severity": "low",
  "cvss_score": 3.1,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "https://github.com/vercel/next.js/security/advisories/GHSA-qpjv-v59x-3qc4",
  "secondary_source_urls": [
    "https://nvd.nist.gov/vuln/detail/CVE-2025-32421",
    "https://github.com/vercel/next.js",
    "https://vercel.com/changelog/cve-2025-32421"
  ],
  "aliases": [
    "CVE-2025-32421",
    "GHSA-qpjv-v59x-3qc4"
  ],
  "cve_ids": [
    "CVE-2025-32421"
  ],
  "ghsa_ids": [
    "GHSA-qpjv-v59x-3qc4"
  ],
  "osv_ids": [
    "GHSA-qpjv-v59x-3qc4"
  ],
  "affected_versions": [
    "introduced=0.9.9, fixed<14.2.24",
    "introduced=15.0.0, fixed<15.1.6"
  ],
  "fixed_versions": [
    "14.2.24",
    "15.1.6"
  ],
  "package_name": "next",
  "render_markdown": true,
  "case_path": "07-framework-security/frameworks/nextjs/cases/nextjs-cve-2025-32421.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
  }
}