next.js: Next.js: Unauthorized access to protected content via middleware bypass

A flaw was found in Next.js. App Router applications that use middleware or proxy-based authorization checks are vulnerable to unauthorized access. A remote attacker can exploit this by crafting specific .rsc and segment-prefetch URLs, which bypass the intended middleware rules. This allows acces...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 — React2Shell Critical pre-authentication Remo...

Linux Distros Unpatched Vulnerability : CVE-2026-44575

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. From 15.2.0 to before 15.5.16 and 16.2.5, App Router applications that rely on middleware...

Linux Distros Unpatched Vulnerability : CVE-2026-44577

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. From 10.0.0 to before 15.5.16 and 16.2.5, when self-hosting Next.js with the default imag...

Linux Distros Unpatched Vulnerability : CVE-2026-44582

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. From 13.4.6 to before 15.5.16 and 16.2.5, React Server Component responses can be...

CVE-2026-44578

A flaw was found in Next.js. Self-hosted applications utilizing the built-in Node.js server are vulnerable to Server-Side Request Forgery SSRF through specially crafted WebSocket upgrade requests. A remote attacker can exploit this by causing the server to proxy requests to arbitrary internal or...

CVE-2026-44573

A flaw was found in Next.js. Applications utilizing the Pages Router with internationalization i18n configured and middleware or proxy-based authorization are susceptible to unauthorized access. A remote attacker can exploit this by making locale-less /next/data//.json requests, which bypass the...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code containing a malicious binding.gyp file that drops and runs a self-propagating cloud secret stealer. The malicious code attempts to exfiltrate AWS, GCP, Azure, Vault, and Kubernetes credentials, as well as npm an...

Exploit for Server-Side Request Forgery in Vercel Next.Js

NEXT-SSRF SSRF — CVE-2026-44578 Scanner & Exploit ║ ║ Next...

Exploit for Server-Side Request Forgery in Vercel Next.Js

CVE-2026-44578 - Next.js WebSocket SSRF PoC Vulnerability:...

Next.js Framework 15.4.x < 15.5.16 / 16.x < 16.2.5 Authorization Bypass

The Next.js Framework on the remote host is affected by an authorization bypass vulnerability: - Applications that rely on middleware to protect dynamic routes can be vulnerable to authorization bypass. Specially crafted query parameters can alter the dynamic route value seen by the page while...

CVE-2026-45109

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.18 and 16.2.6, it was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. This vulnerability is fixed in 15.5.18 and 16.2.6...

CVE-2026-45109

This CVE relates to Next.js prior to fixes: from 15.2.0 to before 15.5.18 and 16.2.6, the fix for CVE-2026-44575 did not apply to middleware.ts with Turbopack. The vulnerability is fixed in Next.js versions 15.5.18 and 16.2.6. Affected software: Next.js (Next.js framework for full‑stack apps). Un...

CVE-2026-44582 Next.js: Cache poisoning via collisions in React Server Component cache-busting

Next.js is a React framework for building full-stack web applications. From 13.4.6 to before 15.5.16 and 16.2.5, React Server Component responses can be vulnerable to cache poisoning in deployments that rely on shared caches with insufficient response partitioning. In affected conditions,...

CVE-2026-44581 Next.js: Cross-site scripting in App Router applications using CSP nonces

Next.js is a React framework for building full-stack web applications. From 13.4.0 to before 15.5.16 and 16.2.5, App Router applications that rely on CSP nonces can be vulnerable to stored cross-site scripting when deployed behind shared caches. In affected versions, malformed nonce values derive...

CVE-2026-44578

CVE-2026-44578 affects Next.js self-hosted deployments using the built-in Node.js server. The issue enables server-side request forgery via crafted WebSocket upgrade requests, allowing an attacker to proxy requests to internal or external destinations and potentially expose internal services or c...

CVE-2026-44576 Next.js: Cache poisoning in React Server Component responses

Next.js is a React framework for building full-stack web applications. From 14.2.0 to before 15.5.16 and 16.2.5, applications using React Server Components can be vulnerable to cache poisoning when shared caches do not correctly partition response variants. Under affected conditions, an attacker...

CVE-2026-44573 Next.js: Middleware / Proxy bypass in Pages Router applications using i18n

Next.js is a React framework for building full-stack web applications. From 12.2.0 to before 15.5.16 and 16.2.5, Applications using the Pages Router with i18n configured and middleware/proxy-based authorization can allow unauthorized access to protected page data through locale-less...

CVE-2026-44572

Next.js is a React framework for building full-stack web applications. From 12.2.0 to before 15.5.16 and 16.2.5, an external client could send a x-nextjs-data header on a normal request to a path handled by middleware that returns a redirect. When that happened, the middleware/proxy could treat t...

CVE-2026-44572

Summary of CVE-2026-44572 (Next.js): Affects Next.js versions 12.2.0 to just before 15.5.16 and 16.2.5. An external client could send the x-nextjs-data header on a normal request to a path handled by middleware that returns a redirect. The middleware could treat this as a data request and replace...