Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the default exception handling process. An attacker can obtain sensitive internal exception messages by triggering an unhandled exception, causing the server to include the exception message in the EXCEPTIONWHAT...

CVE-2026-28434

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.35.0, when a request handler throws a C++ exception and the application has not registered a custom exception handler via setexceptionhandler, the library catches the exception and writes its message...