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Insecure Deserialization

🗓️ 13 Dec 2025 05:47:10Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 1 Views

Insecure deserialization in quantconnect.common due to unsafe Json.NET TypeNameHandling enabling arbitrary code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2020-20136
14 Dec 202022:39
circl
CNNVD
QuantConnect Lean versions from 代码问题漏洞
14 Dec 202000:00
cnnvd
CNVD
QuantConnect Lean Code Issue Vulnerability
18 Dec 202000:00
cnvd
CVE
CVE-2020-20136
14 Dec 202018:30
cve
Cvelist
CVE-2020-20136
14 Dec 202018:30
cvelist
EUVD
EUVD-2022-5652
3 Oct 202520:07
euvd
Github Security Blog
QuantConnect Lean vulnerable to insecure deserialization
24 May 202217:36
github
NVD
CVE-2020-20136
14 Dec 202019:15
nvd
OSV
GHSA-WW7R-278H-48MH QuantConnect Lean vulnerable to insecure deserialization
24 May 202217:36
osv
Prion
Deserialization of untrusted data
14 Dec 202019:15
prion
Rows per page
Vulners
Node
quantconnect.commonquantconnect.commonRange2.3.0.02.4.0.1-unofficialcsharp
OR
quantconnect.commonquantconnect.commonRange2.3.0.02.4.0.1csharp

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30 May 2026 08:09Current
7.5High risk
Vulners AI Score7.5
CVSS 27.5
CVSS 3.19.8
EPSS0.00326
1