CVE-2026-107449

linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute, a GuzzleHttp client that lacks IP address restrictions. In some realistic installations, the POST...

CVE-2026-107449

linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute, a GuzzleHttp client that lacks IP address restrictions. In some realistic installations, the POST...

CVE-2026-107449

The linuxserver Heimdall application (through version 2.8.3 ) is vulnerable to Server-Side Request Forgery (SSRF) . The root cause is that the SafeUrlFetcher protection is only applied to the ItemController , while the SupportedApps::execute() function uses a GuzzleHttp client without IP address ...

EUVD-2026-94738

linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute, a GuzzleHttp client that lacks IP address restrictions. In some realistic installations, the POST...

PT-2026-107806

linuxserver Heimdall through 2.8.3 applies its SafeUrlFetcher SSRF protection mechanism only to ItemController; the enhanced-application test and live-stats requests occur via SupportedApps::execute, a GuzzleHttp client that lacks IP address restrictions. In some realistic installations, the POST...