CVE-2019-10856

6.1 mediumEPSS 1.3%

Medium (6.1) in jupyter notebook. EPSS 1.3% chance of exploitation in the next 30 days. Fixed in notebook 5.7.8.

In Jupyter Notebook before 5.7.8, an open redirect can occur via an empty netloc. This issue exists because of an incomplete fix for CVE-2019-10255.

Severity

6.1 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2019-04-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-rcx2-m7jp-p9wj	PyPI	notebook	<5.7.8	5.7.8
PYSEC-2019-158	PyPI	notebook	<5.7.8	5.7.8