CVE-2020-20136

CVE-2020-20136 affects QuantConnect Lean versions 2.3.0.0 through 2.4.0.1, due to an insecure deserialization vulnerability caused by insecure configuration of TypeNameHandling in Json.NET. The issue is documented across multiple sources (NVD entry, Red Hat advisory, GHSA, OSV) and has high/criti...