Hiawatha-webserver vulnerabilities

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Published CVEs affecting Hiawatha-webserver products: 2 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2025-57784 Low · 3.3 Jan 26, 2026

Tomahawk authentication timing attack due to usage of 'strcmp'

Tomahawk auth timing attack due to usage of `strcmp` has been identified in Hiawatha webserver version 11.7 which allows a local attacker to access the management client.

CVE-2025-57783 Medium · 5.3 Jan 26, 2026

Improper header parsing may lead to request smuggling

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.