Threats Tagged 'ghsa-9hc9-gcfq-xg98'
View all threats tagged with 'ghsa-9hc9-gcfq-xg98'. Filter and sort to focus on specific types of threats.
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Threats Tagged 'ghsa-9hc9-gcfq-xg98'
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http4k-core versions before 6.49.0.0, 5.42.0.0, and 4.51.0.0 use substring matching on the Host header in reverseProxy() and reverseProxyRouting() functions. This behavior can allow an attacker to bypass routing-based authorization by supplying a Host header that contains a configured virtual host name as a substring. This issue affects public-facing inbound HTTP handlers with multiple configured virtual hosts. The vulnerability does not affect outbound dispatch or test-time uses where the Host header is set by the application. Join the discussion | GCVE Database | 09/27/2026, 03:31:03 UTC Added: 09/27/2026, 04:29:54 UTC |
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