VulnerabilitiesMay 21, 2026
Content Delivery Exploit Opens Websites to Brand Hijacking
Underminr domain-fronting attack lets attackers modify web requests, cloaking malicious activity via trusted websites.
Summary
A new domain-fronting attack dubbed Underminr allows threat actors to modify web requests and use trusted websites to hide malicious activity. This exploit can lead to brand hijacking and other security breaches by leveraging content delivery networks (CDNs).
Entities
content delivery networks (technology)