What’s Vulnerable › Products

Hiawatha Web server vulnerabilities

3 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Hiawatha Web server version is affected

Latest Hiawatha Web server vulnerabilities

• CVE-2025-57784 — Tomahawk authentication timing attack due to usage of 'strcmp' (CVSS 3.3)
• CVE-2025-57783 — Improper header parsing may lead to request smuggling (CVSS 5.3)
• CVE-2019-8358 — (CVSS 8.1)