Exposure of Sensitive Information to an Unauthorized Actor
node-etsy-client is a NodeJs Etsy ReST API Client. Applications that are using node-etsy-client and reporting client error to the end user will offer api key value too. This is fixed in node-etsy-client v0.3.0 and later.
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.