Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

A critical improper authorization vulnerability (CVSS 9.1) in Next.js, tracked as CVE-2025-29927, was publicly disclosed on March 21, 2025. Next.js is a popular React-based web framework used for building full-stack applications. This vulnerability impacts applications that utilize middleware for authorization checks. Middleware functions used to implement access control, session validation, redirects, or security headers on incoming HTTP requests.

Organizations rely on stable systems to run their operations. Unfortunately, the IP addresses representing these systems can change frequently. This is especially challenging for cybersecurity, where identifying and tracking assets by IP address is crucial. Dynamic IP management is the practice of identifying, tracking, and contextualizing systems that use dynamic IPs to ensure accurate visibility, reduce noise, and maintain a continuous security posture.