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Security Advisories: GSA_kwCzR0hTQS13dzdyLTI3OGgtNDhtaM4AAm33

QuantConnect Lean vulnerable to insecure deserialization

QuantConnect Lean versions from to are affected by an insecure deserialization vulnerability due to insecure configuration of TypeNameHandling property in Json.NET library. One may avoid this issue by only running Lean in an environment where data provided is trusted.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 1 year ago
Updated: 2 months ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-ww7r-278h-48mh, CVE-2020-20136

Affected Packages

Versions: >=, <=
No known fixed version