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next@15.5.20

Skip this version — install 15.5.28 instead.

12 known advisories (worst: critical), fixed in 15.5.27.

Why this verdict

  • 12 known advisories (worst: critical), fixed in 15.5.27.Evidence

Confidence 100% · algorithm v1 · computed 2026-10-19. How verdicts work

Supply chain and security

Malware reports
None known (OSV)
Known advisories
12 known
License
MIT
Install scripts
None
Build provenance
Signed provenance
Weekly downloads
200,914
  • GHSA-2xp9-vwfh-vxw4Next.js: Unauthenticated Remote Code Execution in Image Optimization API when AVIF files are used
  • GHSA-4633-3j49-mh5qNext.js: Cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequences
  • GHSA-4c39-4ccg-62r3Next.js: Unbounded Server Action payload in Edge runtime
  • GHSA-4jqv-mc3x-m676Next.js has cache poisoning of SSG and ISR pages in self-hosted applications
  • GHSA-68g3-v927-f742Next.js: Cache confusion of response bodies for requests with bodies
  • GHSA-89xv-2m56-2m9xNext.js: Server-Side Request Forgery in Server Actions on custom servers
  • GHSA-955p-x3mx-jcvpNext.js: Unauthenticated disclosure of internal Server Function endpoints
  • GHSA-m99w-x7hq-7vfjNext.js: Denial of Service in App Router using Server Actions
  • GHSA-mcj8-r9mp-w47pNext.js has cache poisoning in SSG/ISR rendering that leads to cross-user content substitution and persistent denial of service
  • GHSA-p293-qw3h-jr36Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

Compatibility

No compatibility boundary is crossed: this is a patch or minor release on a stable major.

1 issue mentions this version in vercel/next.js within 14 days of release. See them on GitHub

Check the official release notes below for behaviour changes before merging.

Release notes

Read the Next.js changelog on Changes.Watch or the package page on npm for this version’s features and fixes.

Deprecations and deadlines

The maintainer has not deprecated this version on npm.

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