Callback-url-file-3a-2f-2f-2fhome-2f-2a-2f.aws-2fcredentials Exclusive Jun 2026

protocol to trick an application into reading local files instead of fetching a remote URL. If the application has enough permissions, it may return the contents of the AWS credentials file, exposing: Access Key IDs Secret Access Keys Session Tokens 🛡️ How to Protect Your Infrastructure Validate Protocol Schemes : Only allow for callback URLs. Explicitly block Use an Allowlist

Here’s a detailed feature breakdown of what such a callback URL implies and how it would work. callback-url-file-3A-2F-2F-2Fhome-2F-2A-2F.aws-2Fcredentials