Security Bulletin released on February 19, 2026, addresses a remote flaw in HPE Telco Service Activator that could let attackers bypass access restrictions. According to HPE, the issue stems from the Undertow HTTP server core used by the product. The flaw is an improper input validation condition in which the server fails to validate the Host header […] The post HPE Telco Service Activator Vulnerability Let Attackers Bypass Access Restrictions appeared first on Cyber Security News.