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-2026-58172 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...

EUVD-2026-40353

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...