CVE-2026-94482 - Next.js: Denial of Service in App Router using Server Actions
Posted: Fri Oct 23, 2026 12:33 am
CVE ID :CVE-2026-94482
Published : Oct. 22, 2026
Description :Next.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.
Severity: 8.2 | HIGH
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-94482
Published : Oct. 22, 2026
Description :Next.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.
Severity: 8.2 | HIGH
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-94482