mint: Content-Length header accepts non-RFC "+" sign prefix

Summary Mint's HTTP/1 client accepts Content-Length header values with a leading + sign e.g. +0, +123, which RFC 7230 forbids Content-Length = 1DIGIT. On a connection shared with a strict fronting proxy or load balancer, this parser disagreement is a response-smuggling primitive: the proxy frames...

mint has potential CRLF injection in its HTTP request line via unvalidated `method`/`target`

Summary Mint's HTTP/1 request encoder splices the caller-supplied method and target directly into the request line without character validation. An application that forwards attacker-controlled input as the HTTP method or the target to Mint.HTTP.request/5 is exposed to request-line CRLF injection...

PT-2026-45784

Name of the Vulnerable Software and Affected Versions mint versions 0.1.0 through 1.8.x Description Improper Neutralization of CRLF Sequences, also known as CRLF Injection, allows HTTP Request Splitting and HTTP Request Smuggling. In the encode request line/2 function within...