The version of Next.js installed on the remote host is 12.0.0 prior to 15.5.21 or 16.0.0 prior to 16.2.11. It is, therefore, affected by multiple vulnerabilities:

- A Server-Side Request Forgery vulnerability in rewrites via an attacker-controlled destination hostname. (CVE-2026-64645)

- A Server-Side Request Forgery vulnerability in Server Actions on custom servers. This issue only affects versions 14.1.1 and later. (CVE-2026-64649)

- A Middleware / Proxy bypass in App Router applications using Turbopack and a single locale. This issue only affects versions 16.0.0 and later. (CVE-2026-64642)

- A denial of service vulnerability in App Router applications using Server Actions. This issue only affects versions 13.0.0 and later. (CVE-2026-64641)

- A denial of service vulnerability due to unbounded Server Action payloads in the Edge runtime. This issue only affects versions 13.0.0 and later. (CVE-2026-64646)

- A denial of service vulnerability in the Image Optimization API using SVGs. This issue only affects versions 15.5.0 and later. (CVE-2026-64644)

- A cache confusion of response bodies for requests with bodies. This issue only affects versions 13.0.0 and later. (CVE-2026-64648)

- A cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequences. This issue only affects versions 13.0.0 and later. (CVE-2026-64647)

- An unauthenticated disclosure of internal Server Function endpoints. This issue only affects versions 13.0.0 and later. (CVE-2026-64643)

Note that the scanner has not attempted to exploit these issues but has instead relied only on application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20
    and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use
    cache endpoints can be disclosed bypassing any authentication on the pages where these endpoints are
    usually used. Server Action IDs can be disclosed to unauthenticated users via publicly served client
    artifacts (for example, static chunks containing action references). Affected users are applications using
    App Router and Server Actions. By itself, this disclosure is typically a recon/enumeration primitive;
    however, it can increase risk when combined with other weaknesses. This issue has been fixed in versions
    15.5.21 and 16.2.11. (CVE-2026-64643)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20     and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use     cache endpoints can be disclosed bypassing any authentication on the pages where these endpoints are     usually used. Server Action IDs can be disclosed to unauthenticated users via publicly served client     artifacts (for example, static chunks containing action references). Affected users are applications using     App Router and Server Actions. By itself, this disclosure is typically a recon/enumeration primitive;
    however, it can increase risk when combined with other weaknesses. This issue has been fixed in versions     15.5.21 and 16.2.11. (CVE-2026-64643)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
115757	Next.js 16.0.x < 16.2.11 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	11/6/2026	11/6/2026	high
115756	Next.js 12.0.0 < 15.5.21 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	11/6/2026	11/6/2026	high
457151	Echo: next: security update to 15.5.21	Tenable Cloud Security	Echo Local Security Checks	10/2/2026	10/5/2026	medium
445135	SCA: security update for next (GHSA-955p-x3mx-jcvp)	Tenable Cloud Security	SCA Checks	7/23/2026	8/10/2026	medium
457151	Echo: next: security update to 15.5.21	Tenable Self-Hosted Container Security	Echo Local Security Checks	10/2/2026	10/5/2026	medium
445135	SCA: security update for next (GHSA-955p-x3mx-jcvp)	Tenable Self-Hosted Container Security	SCA Checks	7/23/2026	8/10/2026	medium
330674	Linux Distros Unpatched Vulnerability : CVE-2026-64643	Nessus	Misc.	7/29/2026	11/6/2026	medium

Detections

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