Improper Certificate Validation

Overview OpenTelemetry.Exporter.Instana is an Instana Exporter for OpenTelemetry .NET Affected versions of this package are vulnerable to Improper Certificate Validation in the ConfigureBackendClient process when a proxy is configured using the INSTANAENDPOINTPROXY environment variable. An attack...

CVE-2026-33407 Wallos: SSRF via HTTP Proxy Environment Variable

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, Wallos endpoints/logos/search.php accepts HTTPPROXY and HTTPSPROXY environment variables without validation, enabling SSRF via proxy hijacking. The server performs DNS resolution on user-supplied search...

Linux Distros Unpatched Vulnerability : CVE-2016-1000107

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - inets in Erlang possibly 22.1 and earlier follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data...

BSA-2017-115

Security Advisory ID : BSA-2017-115 Component : Apache HTTPD Revision : 2.0: Final The Apache HTTP Server through 2.4.23 follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTPPROXY environment variable, which might allow...

HTTPD: sets environmental variable based on user supplied Proxy request header

It was discovered that httpd used the value of the Proxy header from HTTP requests to initialize the HTTPPROXY environment variable for CGI scripts, which in turn was incorrectly used by certain HTTP client implementations to configure the proxy for outgoing HTTP requests. A remote attacker could...

Apache HTTP Server suffers from httpoxy remote proxy infection vulnerability

Apache HTTP Server is the United States Apache Apache Software Foundation, an open source web server. The server is fast, reliable and can be expanded through a simple API. httpoxy is a set of vulnerabilities that affect application code running in a CGI environment. The vulnerabilities exist...

UBUNTU-CVE-2016-5385

PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTPPROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP...

PT-2016-4503 · Twisted +4 · Twisted +4

Name of the Vulnerable Software and Affected Versions: Twisted versions prior to 16.3.1 Description: The issue arises from the software's failure to address RFC 3875 section 4.1.18 namespace conflicts, which leaves CGI applications unprotected from untrusted client data in the HTTP PROXY...