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CVE-2019-10255

22
FAUCET Score

CVE-2019-10255 describes an Open Redirect vulnerability affecting Jupyter Notebook before version 5.7.7 and JupyterHub before 0.9.5. This flaw allows an attacker to craft malicious links that, upon successful login, redirect users to an arbitrary malicious website. Rated as MEDIUM severity (CVSS 6.1), the vulnerability requires user interaction (UI:R) and could lead to information disclosure (C:L) and integrity impacts (I:L) if exploited. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.5CPE matchmatch criteria
cpe:2.3:a:jupyter:jupyterhub:*:*:*:*:*:*:*:*
< 5.7.7CPE matchmatch criteria
cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.74%
Probability of exploitation in next 30 days
EPSS Percentile
75.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0174 is in the 87th percentile among its peer group of 26,220 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: notebookFixed in: 5.7.8
pippatch availablevia ghsa
Product: jupyterhubFixed in: 0.9.6

Vendor Advisories (1)

pipGHSA-rv62-4pmj-xw6hmedium

Open Redirect vulnerability in jupyterhub and notebook

Apr 2, 2019

References

blog.jupyter.org / open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4
Vendor Advisory
github.com / jupyter/notebook/commit/08c4c898182edbe97aadef1815cce50448f975cb
PatchThird Party Advisory
github.com / jupyter/notebook/commit/70fe9f0ddb3023162ece21fbb77d5564306b913b
PatchThird Party Advisory
github.com / jupyter/notebook/commit/d65328d4841892b412aef9015165db1eb029a8ed
PatchThird Party Advisory
github.com / jupyter/notebook/compare/05aa4b2...16cf97c
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO