CVE-2025-57783
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Hiawatha
PublishedJan 26, 2026
First seenJan 26, 2026
Weakness typeCWE-444CWE-444
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hiawatha-webserver hiawatha | 11.7 | — |
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