Heimdall - Host Header Injection & Open Redirect

LinuxServer.io Heimdall 2.6.3-ls307 contains a host header injection caused by improper validation of user-supplied HTTP headers X-Forwarded-Host and Referer, letting unauthenticated remote attackers perform host header injection and open redirect attacks, exploit requires no special privileges...

CVE-2025-50578

LinuxServer.io heimdall 2.6.3-ls307 contains a vulnerability in how it handles user-supplied HTTP headers, specifically X-Forwarded-Host and Referer. An unauthenticated remote attacker can manipulate these headers to perform Host Header Injection and Open Redirect attacks. This allows the loading...

CVE-2025-50578

LinuxServer.io heimdall 2.6.3-ls307 contains a vulnerability in how it handles user-supplied HTTP headers, specifically X-Forwarded-Host and Referer. An unauthenticated remote attacker can manipulate these headers to perform Host Header Injection and Open Redirect attacks. This allows the loading...

CVE-2025-50578

The LinuxServer.io Heimdall application (version 2.6.3-ls307 ) is vulnerable to Host Header Injection and Open Redirect attacks. The root cause is the insufficient validation and trust of untrusted input from user-supplied HTTP headers, specifically X-Forwarded-Host and Referer. An unauthenticate...