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Package · Debian

ruby-rack

48 known vulnerabilities.

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  • Medium 4.8
    CVE-2026-34835 Public exploit

    Rack: `Rack::Request` accepts invalid Host characters, enabling host allowlist bypass.

    Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21, and 3.2.0 to before 3.2.6, Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, in…