Next.js: Denial of Service in App Router using Server Actions
Exact source revision recorded 30 Oct 2026 19:45:26 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-94482
PublishedNext.js is a React framework for building full-stack web applications. From 13.0.0 until 15.5.28 and 16.4.1, crafted requests targeting App Router applications with at least one Server Action can cause excessive CPU consumption and block processing of further requests in the same process. Applications using the Pages Router and App Router applications without Server Actions are not affected. This issue is fixed in versions 15.5.28 and 16.4.1.
- Source published
- 22 Oct 2026 15:22:10 UTC
- Source modified
- 30 Oct 2026 18:09:28 UTC
- Observed here
- 30 Oct 2026 19:45:26 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N