CVE-2026-34475

CVE-2026-34475 affects Varnish Cache (Open Source) ≤ 8.0.0 and Varnish Enterprise ≤ 6.0.16r11, where an unchecked req.url in HTTP/1.1 requests with a root path (/) can be passed to backends that accept absolute-form URIs, enabling cache poisoning or authentication bypass. The issue stems from how...