CVE-2026-32627 cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627

cpp-httplib before 0.37.2 is vulnerable when using a proxy and set_follow_location(true): HTTPS redirects can bypass TLS certificate and hostname verification on the redirected connection, allowing a network attacker to intercept credentials or tokens. The issue is fixed in 0.37.2.

CVE-2026-32627 cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

EUVD-2026-12137

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

cpp-httplib 信任管理问题漏洞

cpp-httplib is a C++ library developed by Yhirose, designed for HTTP/HTTPS servers and clients. Prior to version 0.37.2 of cpp-httplib, there was a vulnerability related to trust management. This vulnerability occurred when a client configured a proxy and enabled setfollowlocation, causing TLS...

CVE-2026-31870

A flaw was found in cpp-httplib. A remote attacker, acting as a malicious server or through a man-in-the-middle position, can send a specially crafted HTTP response with a malformed Content-Length header. This lack of input validation and exception handling causes the client application to crash,...

UBUNTU-CVE-2026-31870

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870 cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870 cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870 cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

CVE-2026-31870

cpp-httplib prior to 0.37.1 uses streaming API (httplib::stream::Get, httplib::stream::Post, etc.) and directly calls std::stoull on the Content-Length header without validation, causing unhandled exceptions and a deterministic crash via std::terminate() when a non-numeric or out-of-range value i...

CVE-2026-31870: Uncaught Exception

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

Linux Distros Unpatched Vulnerability : CVE-2026-31870

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API...

PT-2026-24759

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API httplib::stream::Get, httplib::stream::Post, etc., the library calls std::stoull directly on the Content-Length header value received from the server...

SUSE CVE-2026-29076

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.37.0, cpp-httplib uses std::regex libstdc++ to parse RFC 5987 encoded filename values in multipart Content-Disposition headers. The regex engine in libstdc++ implements backtracking via deep...

CVE-2026-29076

A flaw was found in cpp-httplib, a C++11 single-file header-only cross-platform HTTP/HTTPS library. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP POST request with a malicious filename parameter in the Content-Disposition header. This triggers uncontrolled...