CVE-2025-57783

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:hiawatha-webserver:hiawatha:11.7:*:*:*:*:*:*:*

History

17 Jun 2026, 09:43

Type	Values Removed	Values Added
Summary		(es) Se ha identificado que el análisis indebido de encabezados puede dar lugar a contrabando de peticiones en el servidor web Hiawatha versión 11.7, lo que permite a un atacante no autenticado acceder a recursos restringidos gestionados por el servidor web Hiawatha.

18 Feb 2026, 14:20

Type	Values Removed	Values Added
References	~~() https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205 -~~	() https://gitlab.com/hsleisink/hiawatha/-/blame/master/src/http.c?ref_type=heads#L205 - Product
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:a:hiawatha-webserver:hiawatha:11.7:::::::*
First Time		Hiawatha-webserver Hiawatha-webserver hiawatha

26 Jan 2026, 21:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.3

26 Jan 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-26 18:16

Updated : 2026-06-17 09:43

NVD link : CVE-2025-57783

Mitre link : CVE-2025-57783

CVE.ORG link : CVE-2025-57783

JSON object : View

Products Affected

hiawatha-webserver

hiawatha

CWE

NVD-CWE-noinfo

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