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CVE-2026-44181

10.0 critical SSVC exploitation: poc Analyzed
NVD · CVE.org

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 (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 use or steal the Kubernetes service account token, which can steal Kubernetes secrets and be used to fully compromise the Kubernetes cluster by scheduling a privileged pod or a pod with a hostPath volume mount. This issue has been fixed in version 3.3.0.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 10.0 · jupyterNVD modified 2026-10-24 20:10

Affected (CPE criteria) 3

  • cpe:2.3:a:jupyter:enterprise_gateway:*:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:enterprise_gateway:2.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:enterprise_gateway:2.0.0:rc2:*:*:*:*:*:*

References 3