PatchTheCVEhiawatha-webserver vulnerabilities
Recent CVEs affecting hiawatha-webserver products. 2 tracked.
hiawatha-webserver has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-01-26. Highest priority: CVE-2025-57783 (score 34/100).
- CVE-2025-57784 LOW 3.3 DOWNGRADE Tomahawk auth timing attack due to usage of `strcmp` has been identified in Hiawatha webserver version 11.7 wh
- CVE-2025-57783 MEDIUM 5.3 DOWNGRADE Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 w
FAQ
How do I fix hiawatha-webserver vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is hiawatha-webserver being exploited right now?
None of the tracked hiawatha-webserver CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which hiawatha-webserver CVE should I patch first?
CVE-2025-57783 currently ranks highest (34/100): Improper header parsing may lead to request smuggling has been identified in Hiawatha webserver version 11.7 w.