The Azure APIM signup bypass is a critical vulnerability affecting 97.9% of internet-facing Developer Portals. Azure API Management (APIM) exposes APIs to external consumers through a Developer Portal, the interface where developers self-register, obtain API keys, and make API calls. The default APIM configuration ships with Basic Authentication enabled as the identity provider and the…
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2026/03/azure-apim-signup-bypass-97-9-of-developer-portals-still-exploitable-anonymously-and-from-the-internet/
