CVE-2026-40171

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 command linker can be chained with...

BIT-JUPYTERLAB-2026-40171 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 command linker can be chained with...

@fails-components/jupyter-applet-view (>=0.0.1-alpha.3 <=0.0.1-alpha.18), @fails-components/jupyter-filesystem-extension (>=0.0.1-alpha.3 <=0.0.1-alpha.18) +3 more potentially affected by CVE-2026-42557 via @jupyterlab/help-extension (>=4.0.13 <=4.4.10)

@jupyterlab/help-extension NPM version =4.0.13, =0.0.1-alpha.3, =0.0.1-alpha.3, =0.0.1-alpha.3, =0.0.1-alpha.3, =0.2.0, =0.6.0-alpha.9 Source cves: CVE-2026-42557 Source advisory: SNYK:JS-JUPYTERLABHELPEXTENSION-16438961...

Cross-site Scripting (XSS)

Overview @jupyterlab/help-extension is a JupyterLab - Help Extension Affected versions of this package are vulnerable to Cross-site Scripting XSS via the handling of data-commandlinker-command and data-commandlinker-args attributes in HTML content. An attacker can execute arbitrary commands,...

DEBIAN-CVE-2026-40171

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 command linker can be chained with...

CVE-2026-40171 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 command linker can be chained with...

CVE-2026-40171

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 command linker can be chained with...

CVE-2026-40171

CVE-2026-40171 affects Jupyter components prior to fixes: Notebook 7.0.0–7.5.5, JupyterLab up to 4.5.6, and related help extensions (@jupyter-notebook/help-extension, @jupyterlab/help-extension). The root cause is a stored XSS in the CommandLinker used by the Help Extension, which can be chained ...

CVE-2026-40171

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 command linker can be chained with...

CVE-2026-40171

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 command linker can be chained with...

Jupyter多款产品 跨站脚本漏洞

Jupyter Notebook is an open-source web application developed by Project Jupyter, designed for creating and sharing code along with explanatory text documents. JupyterLab is another open-source project developed by JupyterLab, offering an extensible environment for interactive and reproducible...

Open Redirect

Overview @jupyter-notebook/help-extension is a Jupyter Notebook - Help Extension Affected versions of this package are vulnerable to Open Redirect in the CommandLinker class. An attacker can steal authentication tokens and gain unauthorized access to user accounts by convincing a user to open a...

Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS

Impact A stored Cross-Site Scripting XSS vulnerability in Jupyter Notebook allows attackers to steal authentication tokens from users who open malicious notebook files and interact with elements that the attacker can make look indistinguishable from legitimate controls single click interaction. T...

Open Redirect

Overview @jupyterlab/help-extension is a JupyterLab - Help Extension Affected versions of this package are vulnerable to Open Redirect in the CommandLinker class. An attacker can steal authentication tokens and gain unauthorized access to user accounts by convincing a user to open a malicious...

PT-2010-2124 · Typo3 · Typo3 Helpdesk (Mg Help) Extension

Name of the Vulnerable Software and Affected Versions: TYPO3 Helpdesk mg help extension version 1.1.6 and earlier Description: A SQL injection issue allows remote attackers to execute arbitrary SQL commands. Recommendations: For versions 1.1.6 and earlier, update to a version later than 1.1.6 to...