{"id":67074,"date":"2025-07-30T21:32:36","date_gmt":"2025-07-30T18:02:36","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-50578-linuxserver-io-heimdall-http-header-injection-and-open-redirect-vulnerability\/"},"modified":"2025-07-30T21:32:36","modified_gmt":"2025-07-30T18:02:36","slug":"cve-2025-50578-linuxserver-io-heimdall-http-header-injection-and-open-redirect-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-50578-linuxserver-io-heimdall-http-header-injection-and-open-redirect-vulnerability\/","title":{"rendered":"CVE-2025-50578 &#8211; LinuxServer.io Heimdall HTTP Header Injection and Open Redirect Vulnerability"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-50578<br \/>\n<br \/>\n<strong>Published : <\/strong> July 30, 2025, 4:15 p.m. | 1\u00a0hour, 14\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>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 of external resources from attacker-controlled domains and unintended redirection of users, potentially enabling phishing, UI redress, and session theft. The vulnerability exists due to insufficient validation and trust of untrusted input, affecting the integrity and trustworthiness of the application.<br \/>\n<br \/>\n<strong>Severity:<\/strong> 9.8 | CRITICAL<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-50578 Published : July 30, 2025, 4:15 p.m. | 1\u00a0hour, 14\u00a0minutes ago Description : 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 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-67074","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/67074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=67074"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/67074\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=67074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=67074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=67074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}