Linux Distros Unpatched Vulnerability : CVE-2026-77711

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly...

EUVD-2026-101947

When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the Proxy-Authentication header, which arrives to the serve...

CVE-2026-77711

When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the Proxy-Authentication header, which arrives to the serve...

CVE-2026-77711

When Jetty's "HttpClient" make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the "Proxy-Authentication" header, which arrives to the...

CVE-2026-77711: Exposure of Sensitive Information to an Unauthorized Actor

When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the Proxy-Authentication header, which arrives to the serve...

HTTP CONNECT and 407 Proxy Authentication Required messages are not integrity protected

Overview HTTP CONNECT requests and 407 Proxy Authentication Required messages are not integrity protected and are susceptible to man-in-the-middle attacks. WebKit-based applications are additionally vulnerable to arbitrary HTML markup and JavaScript execution in the context of the originally...

CVE-2014-8639: Undefined Security Weakness

Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 aka Proxy Authentication Required status code, which allows remote HTTP proxy servers to conduct session...

CVE-2013-2503

Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, which makes it easier for remote HTTP servers to spoof the intended proxy service via a 407 aka Proxy Authentication Required HTTP status code...