CVE-2025-50578: Improper Input Validation

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-2025-54597

LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter...

CVE-2023-51803

LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "" substring...

CVE-2023-51803

LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "" substring...