Next.js: Next.js: Server-Side Request Forgery via crafted WebSocket upgrade requests

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-2026-58172 Ocelot - IP Allow/Block List Bypass for WebSocket Upgrade Requests

Ocelot through 24.1.0, fixed in commit f156fd4, contains a security control bypass vulnerability that allows denied clients to circumvent IP-based access restrictions by sending WebSocket upgrade requests. The WebSocket upgrade pipeline branch configured via MapWhen in OcelotPipelineExtensions.cs...

CVE-2026-58172

CVE-2026-58172 affects Ocelot up to version 24.1.0. A security control bypass allows denied clients to bypass IP-based access restrictions by sending WebSocket upgrade requests. The WebSocket upgrade pipeline branch configured via MapWhen omits SecurityMiddleware, causing requests from blocked IP...

CVE-2026-53869

CVE-2026-53869 : Hermes Agent prior to 0.16.0 has a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. The FastAPI HTTP middleware is not executed for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events, ena...

USN-8417-1 tomcat9, tomcat10 vulnerabilities

It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validated HTTP/2...

CVE-2026-44578 Next.js: Server-side request forgery in applications using WebSocket upgrades

Next.js is a React framework for building full-stack web applications. From 13.4.13 to before 15.5.16 and 16.2.5, self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade requests. An attacker can cause the serve...

CVE-2026-44578 Next.js: Server-side request forgery in applications using WebSocket upgrades

Next.js is a React framework for building full-stack web applications. From 13.4.13 to before 15.5.16 and 16.2.5, self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade requests. An attacker can cause the serve...

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-2026-44578 Next.js: Server-side request forgery in applications using WebSocket upgrades

Next.js is a React framework for building full-stack web applications. From 13.4.13 to before 15.5.16 and 16.2.5, self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade requests. An attacker can cause the serve...

NPM: Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

NPM: Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades vulnerability discovered by ? in WordPress Npm next versions = 13.4.13, 15.5.16...

Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

Impact Self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade requests. An attacker can cause the server to proxy requests to arbitrary internal or external destinations, which may expose internal services or...

Server-side Request Forgery (SSRF)

Overview next is a react framework. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via crafted WebSocket upgrade requests. An attacker can access internal or external resources by sending specially crafted requests with absolute-url that cause the server to...

PT-2026-38638

Name of the Vulnerable Software and Affected Versions Next.js versions 13.4.13 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description Self-hosted applications using the built-in Node.js server are subject to server-side request forgery SSRF, a condition where an attacker forces a serv...

CVE-2026-41399

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients...

CVE-2026-41399

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients...

CVE-2026-41399 OpenClaw < 2026.3.28 - Denial of Service via Unbounded Pre-auth WebSocket Upgrades

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients...

CVE-2026-41399

OpenClaw before 2026.3.28 allows unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget Allocation, enabling unauthenticated attackers to exhaust socket and worker capacity and disrupt WebSocket availability for legitimate clients. The issue is tracked as CVE-20...

PT-2026-35783

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.28 Description OpenClaw accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. This allows unauthenticated network attackers to exhaust socket and worker...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.28 contained security vulnerabilities. These vulnerabilities stemmed from accepting unlimited concurrent unauthenticated WebSocket upgrades, which could allow unauthenticated...

OpenClaw: Gateway WebSocket Denial of Service via unbounded pre-auth upgrades

Summary The gateway accepted unbounded concurrent unauthenticated WebSocket upgrades before allocating them to an authenticated session budget. Impact An unauthenticated network attacker could consume socket and worker capacity and disrupt WebSocket availability for legitimate clients. Affected...