CVE-2025-57783

Medium · 5.3

CVSS

5.3

EPSS

0.5%

Published

Jan 26, 2026

CISA due date

—

The record

Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to access restricted resources managed by Hiawatha webserver.

Affected packages

Ecosystem	Package	Introduced	Fixed