TI-2026-39849 CVE-2026-55160Authenticated Server-Side Request Forgery (SSRF) via feed URL in StringerPriority HIGH 66Stringer is a self-hosted, anti-social RSS reader.CVSS 3.1HIGH 7.6· Network · Low privileges · No interaction · EPSS 0.00278 · Published 2026-09-28 · Fixed in 75cb0955919a362ac49d23c8a14892d0f59ea1c4 CWE-918