CVE-2025-57783

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CVSS 3.1

5.3 medium

EPSS

<1%p39

Published

Jan 26, 2026 (Jan 26, 2026)

Modified

Jun 17, 2026

Description

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.

Vendors: hiawatha-webserver
Products: hiawatha
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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