#VU124060 Resource management error in Next.js - CVE-2026-27979

 

#VU124060 Resource management error in Next.js - CVE-2026-27979

Published: March 17, 2026


Vulnerability identifier: #VU124060
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/U:Green
CVE-ID: CVE-2026-27979
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Next.js
Software vendor:
vercel

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when handling HTTP requests with "next-resume: 1" HTTP header. A remote attacker can send large HTTP POST payloads to the application and to trigger excessive memory usage and cause a denial of service condition. 


Remediation

Install updates from vendor's website.

External links