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v15.5.16

Official Next.js changelog summary with source attribution, release tags, and community reactions.

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Next.js·2 months ago · May 6, 2026, 06:53 PMFixSecurity-relevantAI-assisted summary

Summary

Patched high‑severity vulnerabilities such as denial‑of‑service, proxy bypass, SSRF, and cache exhaustion across server components, middleware, and caching layers.
Resolved moderate and low severity issues including XSS, image‑optimization DoS, and cache‑poisoning flaws.
Applied updates addressing multiple GHSA advisories to improve overall security posture.

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related updates

Next.js·7 days agoFix

Summary

Published the @next/swc wasm web package that was unintentionally omitted since v15.5.15.