CISA KEV: CVE-2026-48710 — Kludex Starlette actively exploited

Kludex Starlette HTTP Request/Response Smuggling Vulnerability. Kludex Starlette contains a HTTP request/response smuggling vulnerability that could allow attackers to inject paths into the host part, prepending the actual path leading to issues such as authentication bypass when the authentication depends on the reconstructed URL’s path. This vulnerability could be chaned with CVE-2026-42271. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CIS