Hiawatha Web Server vulnerabilities

3 vulnerabilities

Known vulnerabilities in Hiawatha Web Server, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

6.5CVE-2025-57785hiawathahiawatha web server+1
EPSS score
0.38%
A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.4CVE-2025-57784hiawatha-webserverhiawatha+1
EPSS score
0.16%
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.5.3CVE-2025-57783hiawatha-webserverhiawatha+1
EPSS score
0.48%
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.