PYSEC-2026-1055 Twisted vulnerable to NameVirtualHost Host header injection

When the host header does not match a configured host, twisted.web.vhost.NameVirtualHost will return a NoResource resource which renders the Host header unescaped into the 404 response allowing HTML and script injection. Example configuration: python from twisted.web.server import Site from...

PT-2022-7596

Name of the Vulnerable Software and Affected Versions Twisted versions 0.9.4 through 22.10.0rc1 Description The issue is related to the Twisted event-based framework for internet applications. When the host header does not match a configured host, twisted.web.vhost.NameVirtualHost will return a...