Next.js Framework 13.x < 15.5.21 / 16.x < 16.2.11 DoS

high Nessus Plugin ID 330089

Synopsis

The Next.js Framework on the remote host is affected by a denial of service vulnerability.

Description

The Next.js Framework on the remote host is affected by a denial of service vulnerability:

- 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. (CVE-2026-64641)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Next.js Framework version 15.5.21 or 16.2.11 or later.

See Also

http://www.nessus.org/u?fae14221

Plugin Details

Severity: High

ID: 330089

File Name: nextjs_framework_CVE-2026-64641.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 7/27/2026

Updated: 7/27/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

CVSS v2

Risk Factor: Medium

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-64641

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:vercel:next.js

Required KB Items: Host/nodejs/modules/enumerated

Patch Publication Date: 7/22/2026

Vulnerability Publication Date: 7/22/2026

Reference Information

CVE: CVE-2026-64641

IAVA: 2026-A-0765