PYSEC-2026-364 Jupyter Enterprise Gateway: Jinja2 Template Server Side Template Injection resulting in Remote Code Execution

Summary The environment variables KERNELXXX used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI. By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can...

Jupyter Enterprise Gateway: Jinja2 Template Server Side Template Injection resulting in Remote Code Execution

Summary The environment variables KERNELXXX used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI. By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can...

Improper Neutralization of Special Elements Used in a Template Engine

Overview jupyter-enterprise-gateway is an A web server for spawning and communicating with remote Jupyter kernels Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the rendering of Kubernetes manifest templates using...