What is CVE-2026-44180?

CVE-2026-44180 is a critical-severity vulnerability in Jupyter-server Enterprise_gateway, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-07-16.

How severe is CVE-2026-44180?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Jupyter-server Enterprise_gateway

CVE-2026-44180

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. Versions 2.0.0rc1 and above prior to 3.3.0 have a prohibited UID and GID feature that by defau…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jupyter-server Enterprise_gateway — versions >= 2.0.0rc1, < 3.3.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44180?: CVE-2026-44180 is a critical-severity vulnerability in Jupyter-server Enterprise_gateway, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-07-16.
How severe is CVE-2026-44180?: Critical severity. CVSS v3 base score is 9.8 out of 10.