coldbraid

CVE-2026-48710 Kludex Starlette

Starlette is a lightweight ASGI framework/toolkit. Prior to version 1.0.1, the HTTP `Host` request header was not validated before being used to reconstruct `request.url`. Because the routing algorithm relies on the raw HTTP path while `request.url` is…

CVSS
6.5 Medium
EPSS
70%
Percentile
99
Published
2026-05-26
Force
9 of 12
Public PoC
5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CWE-444CWE-1289

On CISA’s exploited list

Kludex Starlette HTTP Request/Response Smuggling Vulnerability

Added
2026-09-02
Federal patch deadline
2026-09-16
Ransomware use
not known