CVE-2025-50578 PoC — Heimdall 安全漏洞

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-50578.yaml

Associated Vulnerability

Title: Heimdall 安全漏洞 (CVE-2025-50578)
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 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.

Description

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.

File Snapshot

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