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Advisory record · GHSA-cfw7-6c5v-2wjq

Jupyter Enterprise Gateway: Kubernetes Manifest Injection in Jinja2 Template Rendering

CVSS 10.0 CriticalCriticalEPSS 0.0063 · 50th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 29 Jun 2026, 11:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
jupyter-enterprise-gatewayPyPI<3.3.03.3.0
Identifiers
GHSA-cfw7-6c5v-2wjq · CVE-2026-44182 · PYSEC-2026-362
Weakness (CWE)
CWE-74
Tags
Published
29 Jun 2026
Updated
1 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

GHSA-cfw7-6c5v-2wjq: jupyter-enterprise-gateway versions before 3.3.0 are affected. Environment variables such as KERNEL_WORKING_DIR are interpolated into the Kubernetes manifest template without YAML escaping, so a client who can make kernel launch requests can inject keys and extra YAML documents. This can create additional Kubernetes resources, including privileged pods with host mounts, which may lead to compromise of worker nodes and the cluster. Upgrade to version 3.3.0.

Written 10 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0063, the 50th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 29 Jun 2026. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.