CVE-2025-55152

oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers...

CVE-2025-55152

CVE-2025-55152 affects the oak middleware (Deno/native HTTP stack) with vulnerable versions 17.1.5 and earlier. Public records describe a Regular Expression Denial of Service / DoS: using specially crafted values in the headers x-forwarded-proto or x-forwarded-for can cause substantial slowdown o...