CVE-2026-55568

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, in certain configurations, traffic expected to be protected by TLS on the hop to the proxy is transmitted in cleartext. Proxy authentication credentials the Proxy-Authorization header, proxy userinfo in the proxy URL, or CURLOPTPROXYUSERPW...

Silent HTTPS proxy downgrade to cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

CVE-2026-49129

Music Player Daemon MPD before version 0.24.11 contains a server-side request forgery vulnerability in CurlInputPlugin where CURLOPTFOLLOWLOCATION is set without CURLOPTREDIRPROTOCOLSSTR, allowing unauthenticated attackers to bypass the http/https scheme restriction by causing a malicious HTTP...