SEPTEMBER 14, 2026
Live Feed
Back to database
Case File

CVE-2026-64646

MEDIUM · CVSS 5.3 EPSS 0.53% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-27 · Last synced 2026-08-26

CyberRota Analysis

AI-Generated

Next.js applications utilizing the App Router with Server Actions in versions 13.0.0 to 15.5.20 and 16.0.0 to 16.2.10 are vulnerable to excessive memory consumption when employing the Edge runtime. This vulnerability can lead to performance degradation and potential denial of service. Developers and organizations using affected versions should prioritize updating to versions 15.5.21 or 16.2.11 to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-64646
Severity
MEDIUM
CVSS
5.3
EPSS
0.53%

Original NVD Description

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime. This issue has been fixed in versions 15.5.21 and 16.2.11.

Related CVEs

Other vulnerabilities affecting the same vendor(s)