6.1

CVE-2019-10255: jupyter jupyterhub URL Redirection to Untrusted Site

Modified
AliasesGHSA-rv62-4pmj-xw6hPYSEC-2026-2683PYSEC-2026-647
Published 28-03-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-10255 is a medium (CVSS 6.1) URL Redirection to Untrusted Site vulnerability in jupyter jupyterhub. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
1.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2022-0323USN-5585-1

Timeline

  1. 28-03-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.5 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a base_url prefix are not affected.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.76% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Jupyter2 products
PyPI2 products
  • jupyterhub< 0.9.6
  • notebook< 5.7.8
Debian1 product
  • jupyter-notebook< 5.7.8-1
Ubuntu1 product
  • jupyter-notebook< 5.2.2-1ubuntu0.1

4 vendors · 6 products

References

19 links
Show all 19 references