CVE-2026-44182

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. In versions prior to 3.3.0, the server interpolates untrusted environment variables e.g., KERNELXXX into Kubernetes manifests without YAML-aware escapin...

CVE-2026-44182 Jupyter Enterprise Gateway Has Kubernetes Manifest Injection via Jinja2 Template Rendering

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. In versions prior to 3.3.0, the server interpolates untrusted environment variables e.g., KERNELXXX into Kubernetes manifests without YAML-aware escapin...

CVE-2026-44181 Jupyter Enterprise Gateway: Jinja2 Template Server Side Template Injection results in Remote Code Execution

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. In versions 2.0.0rc2 and above, prior to 3.3.0, the environment variables KERNELXXX used during the rendering of the Kubernetes manifest are vulnerable ...

PYSEC-2026-362 Jupyter Enterprise Gateway: Kubernetes Manifest Injection in Jinja2 Template Rendering

Summary The environment variables used during the rendering of the Kubernetes manifest allow YAML injection, enabling attackers to overwrite existing keys like securityContext and inject multi-document YAML to create additional unintended Kubernetes resources. Details The server interpolates...

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: Kubernetes Manifest Injection in Jinja2 Template Rendering

SummaryThe environment variables used during the rendering of the Kubernetes manifest allow YAML injection, enabling attackers to overwrite existing keys like securityContext and inject multi-document YAML to create additional unintended Kubernetes resources. DetailsThe server interpolates...

PT-2026-53450

Summary The environment variables used during the rendering of the Kubernetes manifest allow YAML injection, enabling attackers to overwrite existing keys like securityContext and inject multi-document YAML to create additional unintended Kubernetes resources. Details The server interpolates...

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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 in Output Used by a Downstream Component 'Injection' via the rendering process of...

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...

PT-2026-46126

Name of the Vulnerable Software and Affected Versions Jupyter Enterprise Gateway versions prior to 3.3.0 Description The server interpolates untrusted environment variables into Kubernetes manifests without YAML-aware escaping, enabling YAML injection attacks. Attackers can inject new fields,...

PT-2026-46096

Summary The environment variables KERNEL XXX 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...

PT-2026-46091

Summary The environment variables used during the rendering of the Kubernetes manifest allow YAML injection, enabling attackers to overwrite existing keys like securityContext and inject multi-document YAML to create additional unintended Kubernetes resources. Details The server interpolates...

Directory Traversal

github.com/containers/podman is vulnerable to Directory Traversal.The vulnerability is due to a lack of symlink canonicalization and host-path validation; this allows an attacker who supplies a malicious Kubernetes YAML to cause podman to write the ConfigMap/Secret data contents are defined by th...

Exploit for Embedded Malicious Code in Tukaani Xz

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10 minutes to secure your Kubernetes application without giving up on customization: Wallarm WAF as a sidecar container with plain Kubernetes manifests

In this series’ previous article, we added the AI-powered Wallarm WAF to our Helm chart bundled application as a sidecar container. As you can see, 10 minutes is the time we need to stop worrying about rules, lists, and attacks, and start focusing on performance, optimization, and deployment. As...