vercel/next.js · Security
Next.js has cache poisoning in SSG/ISR rendering that leads to cross-user content substitution and persistent denial of service
- GHSA ID
- GHSA-mcj8-r9mp-w47p
- CVE ID
- CVE-2026-94484
- Severity
- medium
- Published
- Updated
- CVSS
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- CVSS v3
- 4.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- CVSS v4
- 6.3 · CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Description
Next.js applications that use a root-level catch-all page together with statically generated or Incremental Static Regeneration routes can have their shared response cache poisoned by a single unauthenticated crafted request.
CWEs
- CWE-524 · Use of Cache Containing Sensitive Information
References
- https://github.com/vercel/next.js/security/advisories/GHSA-mcj8-r9mp-w47p ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-94484 ↗
- https://github.com/vercel/next.js/commit/52c94abdd2ea5f416f5e8353ea8a2edd3fe311b8 ↗
- https://github.com/vercel/next.js/commit/719e4c67d6e92df60246f95e1d96e2dd60789a52 ↗
- https://github.com/vercel/next.js/releases/tag/v15.5.27 ↗
- https://github.com/vercel/next.js/releases/tag/v16.3.8 ↗
- https://github.com/advisories/GHSA-mcj8-r9mp-w47p ↗