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jupyterlab

26 known vulnerabilities.

jupyterlab at a glance

Last 12 months
19
Critical · all time
4
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 5 10 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 3 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 2 vulnerabilities, 1 critical August 2026: 6 vulnerabilities September 2026: 3 vulnerabilities Sep October 2026: 1 vulnerability November 2026: 4 vulnerabilities, 2 critical
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MonthVulnerabilitiesCritical
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26 results · Feed

  • Critical 9.4

    JupyterLab Desktop: Cross-Site Scripting (XSS) leading to Remote Code Execution on Connect URL

    JupyterLab Desktop is the cross-platform desktop application for JupyterLab. Prior to 4.6.2-1, remote-server URLs were inserted into the server-selection dialog and Welcome view without safe encoding. An attacker who convinces a user to submit a crafted URL c…

  • Medium 5.5

    JupyterLab Desktop: TCC Bypass via Misconfigured Node Fuses

    JupyterLab Desktop is the cross-platform desktop application for JupyterLab. Prior to 4.6.2-1, JupyterLab Desktop for macOS shipped with Electron's RunAsNode fuse enabled, allowing ELECTRON_RUN_AS_NODE to execute arbitrary Node.js code in the application proc…

  • Critical 9.6

    JupyterLab Desktop: One-Click Jupyter Server Token Leak leading to Remote Code Execution

    JupyterLab Desktop is the cross-platform desktop application for JupyterLab. Prior to 4.6.2-1, JupyterLab Desktop exposed getServerInfo to the renderer without confirming that the current page still had the local Jupyter server origin. In a local managed sess…

  • Medium 5.5

    JupyterLab Desktop: TCC Bypass via Insecure Entitlements (macOS)

    JupyterLab Desktop is the cross-platform desktop application for JupyterLab. Prior to 4.6.2-1, JupyterLab Desktop for macOS declared the com.apple.security.cs.allow-dyld-environment-variables entitlement, allowing the dynamic linker to honor DYLD_INSERT_LIBRA…

  • Medium 4.2

    JupyterLab: Command link trust prompt in JupyterLab can trust a document other than the one clicked

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.7 until 4.5.11 and 4.6.4, the markdownviewer:trust and notebook:trust command-link handlers use tracker.currentWidget to r…

  • Medium 5.4

    JupyterLab: Argument injection in JupyterLab extension uninstall exposes server-readable files and internal URLs

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.0.0 until 4.5.11 and 4.6.4, the PyPI Extension Manager uninstall request reaches ExtensionHandler.post, which val…

  • High 8.1

    JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and from JupyterLite Core 0.7.0 until 0.8.4, the sys…

  • Medium 6.8

    JupyterLab: Cross-site scripting (XSS) in JupyterLab via crafted language package (jupyterlab.json)

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 3.0.0 until 4.5.11 and 4.6.4, and in JupyterLite Core 0.8.3 and earlier, the Plural-Forms header in a selected thir…

  • High 8.6

    JupyterLab: Cross-site scripting (XSS) via crafted settings file (`overrides.json`)

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 3.3.0 until 4.5.10 and 4.6.2, JupyterLab allows notebook settings to be shared and applied through an overrides.json file usin…

  • Medium 6.1

    jupyterlab: PyPI extension blocklist package-name canonicalization bypass

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.0 until 4.5.10 and 4.6.2, in jupyterlab/extensions/manager.py and jupyterlab/extensions/pypi.py, JupyterLab's PyPI extensi…

  • Medium 6.0

    JupyterLab 4.6.0 Plugin Manager Lock-Rule Enforcement Bypass

    JupyterLab (pip package 'jupyterlab') versions >=4.1.0,<=4.5.9 and >=4.6.0,<=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requ…

  • High 7.5

    JupyterLab before 4.6.2 Authentication Bypass via PyPIExtensionManager

    JupyterLab versions >=4.6.0,<=4.6.1 and <=4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install(). A missing 'await' caused the is_install_allowed coroutine to never execute, so the extension allowlist/blocklist check was not en…

  • High 7.5

    jupyterlab: Image viewer in JupyterLab allows XSS when opening malicious image in new browser tab

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. Prior to 4.5.10 and 4.6.2, in packages/imageviewer/src/widget.ts, JupyterLab's ImageViewer uses URL.createObjectURL for a specially…

  • Medium 6.1

    JupyterLab before 4.5.9 Stored XSS via Extension Manager

    JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that e…

  • High 7.1

    jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories

    JupyterLab Git is a Git extension for JupyterLab. Prior to 0.54.0, jupyterlab-git uses fnmatch.fnmatchcase() in GitHandler.prepare() in jupyterlab_git/handlers.py to enforce excluded_paths, allowing an authenticated user on a case-insensitive filesystem to va…

  • Critical 9.3

    JupyterLab Git: Stored XSS leading to RCE

    JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename to execute JavaScr…

  • High 8.8

    JupyterLab has an Extension Manager API/GUI Policy Discrepancy allowing 3rd party (malicious) extensions install via POST request.

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.0.0 to 4.5.6, the allow-list of extensions that can be installed from PyPI Extension Manager (allowed_extensions_uris) is no…

  • High 8.6

    jupyterlab: Command linker attributes in HTML enable one-click command execution from untrusted content

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. Prior to 4.5.7, JupyterLab's HTML sanitizer allowlists data-commandlinker-command and data-commandlinker-args on button elements, w…

  • High 8.4

    Jupyter Notebook and JupyterLab token theft via stored XSS in help command linker

    In Jupyter Notebook versions 7.0.0 through 7.5.5, JupyterLab versions 4.5.6 and earlier, and the corresponding @jupyter-notebook/help-extension and @jupyterlab/help-extension packages before 7.5.6 and 4.5.7, a stored cross-site scripting issue in the help com…

  • Low 2.1

    JupyterLab LaTeX typesetter links did not enforce `noopener` attribute

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. Prior to version 4.4.8, links generated with LaTeX typesetters in Markdown files and Markdown cells in JupyterLab and Jupyter Noteb…

  • High 7.4

    jupyterlab-git has a command injection vulnerability in "Open Git Repository in Terminal"

    jupyterlab-git is a JupyterLab extension for version control using Git. On many platforms, a third party can create a Git repository under a name that includes a shell command substitution string in the syntax $(<command>). These directory names are allowed i…

  • High 7.6

    HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering

    jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. This vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or Markdown file using JupyterL…

  • Critical 10.0
    CVE-2024-39700 Public exploit

    Remote Code Execution (RCE) vulnerability in jupyterlab extension template `update-integration-tests` GitHub Action

    JupyterLab extension template is a `copier` template for JupyterLab extensions. Repositories created using this template with `test` option include `update-integration-tests.yml` workflow which has an RCE vulnerability. Extension authors hosting their code on…

  • Medium 6.5

    Stored cross site scripting in Markdown Preview in JupyterLab

    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 malicio…

  • High 7.6

    Potential authentication and CSRF tokens leak in JupyterLab

    JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. Users of JupyterLab who click on a malicious link may get their `Authorization` and `XSRFToken` tokens exposed to a third party…

  • High 7.4

    JupyterLab: XSS due to lack of sanitization of the action attribute of an html <form>

    JupyterLab is a user interface for Project Jupyter which will eventually replace the classic Jupyter Notebook. In affected versions untrusted notebook can execute code on load. In particular JupyterLab doesn’t sanitize the action attribute of html `<form>`. U…