Pipelines-as-Code GitHub App token request can be redirected via untrusted Enterprise Host header

Impact Pipelines-as-Code installations using the GitHub App provider are vulnerable to GitHub App credential exfiltration through the webhook endpoint. Affected versions accepted the X-GitHub-Enterprise-Host request header as the GitHub Enterprise API host during GitHub App token generation. For...

PT-2026-80752

Summary BackpackCRUDStats::makeCurlRequest builds a shell command using unescaped input that originates from the HTTP Host header, then passes it to exec. A specially crafted Host header can break out of the shell argument and cause the server to execute arbitrary OS commands as the web user. The...

Linux Distros Unpatched Vulnerability : CVE-2025-71405

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URL...

Linux Distros Unpatched Vulnerability : CVE-2026-61666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in...

DEBIAN-CVE-2026-61666

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666 websocket-driver: Denial of service via malformed Host header

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.2, WebSocket::Driver.server passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError, allowing a remote client to crash a TCP-backed WebSocket server when th...

CVE-2026-61666

CVE-2026-61666 affects the Ruby gem websocket-driver (a WebSocket protocol handler with pluggable I/O). In versions prior to 0.8.2 , WebSocket::Driver.server() passes a malformed Host header to URI.parse in lib/websocket/http/request.rb without catching URI::InvalidURIError. A remote client can e...

CVE-2026-15689

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2026-15689 Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in _default_email_password_reset and _default_welcome_send

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

EUVD-2026-59758

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

CVE-2026-15689

Dancer2::Plugin::Auth::Extensible through 0.713 trusts the Host header (or X-Forwarded-Host) to build password-reset and welcome links, enabling unauthenticated link poisoning that can lead to account takeover. No patch version is specified; mitigation is to set a trusted uri_base configuration v...

CVE-2026-15689

Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in defaultemailpasswordreset and defaultwelcomesend. Both default emails emit a link of the form $base/login/$code, whose authority comes from the request Host header,...

PT-2026-73031

Name of the Vulnerable Software and Affected Versions Dancer2::Plugin::Auth::Extensible versions prior to 0.714 Description Password reset link poisoning is possible via the request Host header in the default email password reset and default welcome send functions. Both default emails generate a...

github.com/mark3labs/mcp-go: mcp-go: DNS Rebinding vulnerability due to missing Host header validation

A flaw was found in mcp-go. This component failed to validate the Host header in HTTP requests, specifically within its StreamableHTTPServer and SSEServer transports. A remote attacker could exploit this by using a crafted web page to perform a DNS rebinding attack. This allows the attacker to...

CVE-2025-71405

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...

DEBIAN-CVE-2025-71405

chi versions before v5.2.2 contain an open redirect vulnerability in the RedirectSlashes middleware function that uses the Host header to construct redirect URLs. Attackers can manipulate the Host header to redirect users to arbitrary hosts, enabling phishing attacks and credential theft...