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GHSA-mcj8-r9mp-w47p

Next.js has cache poisoning in SSG/ISR rendering that leads to cross-user content substitution and persistent denial of service

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-94484

Packages

EcosystemPackageAffectedFixed in
npm next >= 16.0.0, < 16.3.8 16.3.8
npm next >= 15.0.0, < 15.5.27 15.5.27

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.