{"id":"GHSA-qpjv-v59x-3qc4","summary":"Next.js Race Condition to Cache Poisoning","details":"**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.","aliases":["CVE-2025-32421"],"modified":"2025-09-26T17:48:29Z","published":"2025-05-15T14:12:26Z","database_specific":{"severity":"LOW","github_reviewed":true,"github_reviewed_at":"2025-05-15T14:12:26Z","nvd_published_at":"2025-05-14T23:15:47Z","cwe_ids":["CWE-362"]},"references":[{"type":"WEB","url":"https://github.com/vercel/next.js/security/advisories/GHSA-qpjv-v59x-3qc4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32421"},{"type":"PACKAGE","url":"https://github.com/vercel/next.js"},{"type":"WEB","url":"https://vercel.com/changelog/cve-2025-32421"}],"affected":[{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.9.9"},{"fixed":"14.2.24"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-qpjv-v59x-3qc4/GHSA-qpjv-v59x-3qc4.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.0.0"},{"fixed":"15.1.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-qpjv-v59x-3qc4/GHSA-qpjv-v59x-3qc4.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}