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No exploitation reportedFix available

CVE-2024-22420

No exploitation reported by the sources we read.

  • Published2024-01-19
  • Fixed in4.2.4
  • WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

Timeline

dates in UTC
  1. 2024-01-1921:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-25 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-22420?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-22420?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
jupyterlab
BranchAffectedFixed in
4.x≥ 4.0.0, < 4.2.44.2.4
Fedoraproject fedora
BranchAffectedFixed in
39.x= 39no fix published
Jupyter jupyterlab
BranchAffectedFixed in
4.0≥ 4.0.0, < 4.0.114.0.11

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update jupyterlab to 4.2.4

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-05-08
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.16.5read 2026-10-23
  • NVDCVSS 3.16.1read 2026-10-23
  • CNAweakness (CWE)CWE-79read 2026-10-23
  • NVDweakness (CWE)CWE-79read 2026-10-23
  • FIRST EPSSEPSS score0.6 %2026-10-25
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published
2024-01-19
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2024-22420?

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

Is CVE-2024-22420 actively exploited?

Active exploitation of CVE-2024-22420 has not been confirmed. Its EPSS score was 0.6% on 2026-10-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-22420?

CVE-2024-22420 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

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