CVE-2026-81102 Dropbox Dash MCP Server DNS Rebinding via Missing Host Header Validation

The Dash MCP server bound its listener to the loopback address but never checked the host a request named. src/mcpserverdash.py constructed the server for its network mode with the interface restricted to loopback and no transport-security settings, so a name that had been pointed at the loopback...

EUVD-2026-40350

Vibe-Trading before 0.1.10 contains a DNS rebinding authentication bypass vulnerability that allows remote attackers to bypass bearer-token authentication by exploiting the server's trust of TCP peer addresses for loopback clients combined with missing Host header validation while binding to...

CVE-2026-47220

A flaw was found in Envoy. A remote attacker can exploit this vulnerability by sending a request with a missing host header when the %REQUESTEDSERVERNAMEX:Y% is used in the log format and host-related options, such as HOSTFIRST or SNIFIRST, are specified. This can lead to a crash of the Envoy...

EUVD-2026-39829

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTEDSERVERNAMEX:Y% is used in log format and host related options is specified, like HOSTFIRST, SNIFIRST, it's possible to crash Envoy when the specified host...

Origin Validation Error

Overview Glances is an A cross-platform curses-based monitoring tool Affected versions of this package are vulnerable to Origin Validation Error in the REST/WebUI FastAPI application due to the lack of host header validation and the absence of an allowlist for trusted hosts. An attacker can gain...

CVE-2007-4477: Undefined Security Weakness

The administration interface in the Planet VC-200M VDSL2 router allows remote attackers to cause a denial of service administration interface outage via an HTTP request without a Host header...

Monkey HTTP Daemon 0.x - Missing Host Field Denial of Service

source: https://www.securityfocus.com/bid/9642/info Monkey HTTP Daemon is prone to a denial of service attacks. HTTP GET requests, which do not include a 'Host' header field, will trigger this condition. The server will need to be restarted to regain normal functionality...