Critical severity vulnerability that affects recurly-api-client

The Recurly Client .NET Library before 1.0.1, 1.1.10, 1.2.8, 1.3.2, 1.4.14, 1.5.3, 1.6.2, 1.7.1, 1.8.1 is vulnerable to a Server-Side Request Forgery vulnerability due to incorrect use of "Uri.EscapeUriString" that could result in compromise of API keys or other critical resources...

Server-Side Request Forgery (SSRF)

recurly-api-client is vulnerable to server-side request forgery SSRF attacks. This is due to the incorrect usage of the Uri.EscapeUriString function, which could allow an attacker to send a crafted request from the vulnerable client...