CVE-2025-57783

5.3 MEDIUM

Published: January 26, 2026 Modified: February 18, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cret@cert.org

Product

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.3 / 10.0

EPSS (Exploit Probability)

0.0%

1th percentile

Exploitation Status

Not in CISA KEV

Affected Vendors

hiawatha-webserver