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

At a glance

Published
Updated
CVE
CVE-2026-94484
CVSS_V3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS_V4
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.

Affected packages

PackageVersions
npm · nextintroduced 16.0.0, fixed 16.3.8
npm · nextintroduced 15.0.0, fixed 15.5.27

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database