[ServiceAPI] Catalog endpoint does not validate DefaultLanguage value

Found in

EPiServer.ServiceApi 5.5.0

Fixed in

EPiServer.ServiceApi 5.5.1

Created

Dec 16, 2021

Updated

Jan 31, 2022

State

Closed, Fixed and tested


Description

Fixed an issue where unpredictable results (200OK or 500 internal server error) occurred when a POST operation sent an invalid DefaultLanguage value to the catalog endpoint.