The HAN knowledge base
The HAN knowledge base helps you with smaller problems.
May 08, 2026
HAN.V6 HAN.V5
Security vulnerabilities in the HAN Web Service (HAN 5 and HAN 6)
As HAN uses Apache as a web service, all current versions of HAN are affected by the bugs reported on 4 May 2026.
As the Apache web server used in HAN is a web service, all current versions of HAN are affected by the security vulnerabilities fixed in version 2.4.67: Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project
H+H is working to release an update for HAN 5 and HAN 6 as soon as possible, which will upgrade the included web service to Apache version 2.4.67.
Once these updates have been released, customers are advised to install them as soon as possible.