CVE-2025-29927
1 advisory.
npm/next CVE-2025-29927: critical 9.1, EPSS 99.22%
Authorization Bypass in Next.js Middleware
Action: Upgrade next to 12.3.5 or later.
npm i next@13.5.9npm i next@14.2.25npm i next@15.2.3npm i next@12.3.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 13.0.0 | 13.5.9 | - |
| 14.0.0 | 14.2.25 | - |
| 15.0.0 | 15.2.3 | - |
| 12.0.0 | 12.3.5 | - |
Fixed versions
| 13.5.9 | 14.2.25 | 15.2.3 | 12.3.5 |
Sources
- osv: GHSA-f82v-jwr5-mffw
- https://github.com/vercel/next.js/security/advisories/GHSA-f82v-jwr5-mffw
- https://nvd.nist.gov/vuln/detail/CVE-2025-29927
- https://github.com/vercel/next.js/commit/52a078da3884efe6501613c7834a3d02a91676d2
- https://github.com/vercel/next.js/commit/5fd3ae8f8542677c6294f32d18022731eab6fe48
- https://github.com/vercel/next.js
- https://github.com/vercel/next.js/releases/tag/v12.3.5
- https://github.com/vercel/next.js/releases/tag/v13.5.9
- https://security.netapp.com/advisory/ntap-20250328-0002
- https://vercel.com/changelog/vercel-firewall-proactively-protects-against-vulnerability-with-middleware
- http://www.openwall.com/lists/oss-security/2025/03/23/3
- http://www.openwall.com/lists/oss-security/2025/03/23/4
CVE-2025-29927 · published · modified · JSON