CVE-2026-64641

ADVISORY - github

Summary

Impact

Crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further requests in the same process.

Workarounds

No workaround exists besides upgrading. Applications using Pages Router or not using Server Actions are not vulnerable.

Common Weakness Enumeration (CWE)

ADVISORY - github

Excessive Iteration


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