Linux Distros Unpatched Vulnerability : CVE-2026-67338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-67338

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 execute arbitrary JavaScript in the...

EUVD-2026-51849

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 execute arbitrary JavaScript in the...

CVE-2026-67338 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 execute arbitrary JavaScript in the...

CVE-2026-67338

CVE-2026-67338 affects JupyterLab prior to 4.5.9. A stored cross-site scripting vulnerability resides in the Extension Manager where URI protocols in package metadata URLs are not validated. This allows an attacker to publish malicious PyPI packages with javascript: URLs in project metadata, enab...

CVE-2026-67338 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 execute arbitrary JavaScript in the...

CVE-2026-67338

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 execute arbitrary JavaScript in the...

GHSA-89VP-JRXV-24W8 JupyterLab: PyPI extension blocklist package-name canonicalization bypass

JupyterLab's PyPI extension manager enforces blockedextensionsuris by comparing the requested install name to blocklist entries with a custom string normalization that is weaker than PyPI package-name canonicalization. An authenticated user can request a PyPI-equivalent spelling such as...

CVE-2026-64791

Summary: CVE-2026-64791 affects Joomla Extensions by Regular Labs (Regular Labs Extension Manager). The issue is Inconsistent CSRF token checks and privilege checks on administrator routes and during install/update/uninstall processing, potentially letting an unauthorized backend user or CSRF att...

CVE-2026-64791 Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager

Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager - Administrator routes and install/update/uninstall processing did not consistently enforce component-management and installation permissions. An unauthorized backend user or...

CVE-2026-64791 Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager

Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager - Administrator routes and install/update/uninstall processing did not consistently enforce component-management and installation permissions. An unauthorized backend user or...

GHSA-VMHF-C436-HXJ4 JupyterLab: Stored XSS in extension manager through package metadata unsanitized URI protocol

A malicious PyPI package can place a javascript: URL in its project.urls metadata. JupyterLab's Extension Manager renders this as the extension's home-page link without validating the protocol, so a user who clicks the extension name executes attacker-controlled JavaScript in the JupyterLab origi...

CVE-2026-42266

A flaw was found in JupyterLab, an extensible environment for interactive computing. The PyPI Extension Manager, responsible for installing extensions, failed to properly enforce its allow-list of approved extensions. This vulnerability allowed for the installation of unauthorized extensions from...

BIT-JUPYTERLAB-2026-42266 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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

SUSE CVE-2026-42266

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

PYSEC-2026-164

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

PYSEC-2026-164

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

CVE-2026-42266

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

DEBIAN-CVE-2026-42266

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...

UBUNTU-CVE-2026-42266

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 allowedextensionsuris is not correctly enforced by JupyterLab. The Py...