CVE-2021-39185

Http4s is affected by a vulnerability in the default CORS configuration that enables origin reflection and a Null Origin Attack for versions 0.21.26 and prior, 0.22.0–0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24. The issue stems from the default CORS settings allowing credentialed acces...