Exposure of Sensitive Information to an Unauthorized Actor
In AEgir greater than or equal to 21.8.0 and less than 21.10.1, aegir publish and aegir build may leak secrets from environment variables in the browser bundle published to npm. This has been fixed in 21.10.1.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.