BIT-JUPYTERLAB-2026-42557 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, while CommandLinker listens for all cli...

BIT-JUPYTER-NOTEBOOK-2026-42557 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, while CommandLinker listens for all cli...

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...

UBUNTU-CVE-2026-42557

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, while CommandLinker listens for all cli...

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...

CVE-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...

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...

CVE-2026-42266

JupyterLab prior to 4.5.7 is affected: from 4.0.0 to 4.5.6 the allow-list for PyPI Extension Manager extensions could be bypassed, as allowed_extensions_uris was not properly enforced and not confined to the default PyPI index. This could allow an authenticated attacker to install unapproved/mali...

OPENSUSE-SU-2026:10748-1 jupyter-jupyterlab-4.5.7-1.1 on GA media

These are all security issues fixed in the jupyter-jupyterlab-4.5.7-1.1 package on the GA media of openSUSE Tumbleweed...

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 @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...

CVE-2026-27468

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

CVE-2026-27468 Mastodon may allow unconfirmed FASP to make subscriptions

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

PT-2026-21779

Name of the Vulnerable Software and Affected Versions Mastodon versions 4.4.0 through 4.4.13 Mastodon versions 4.5.0 through 4.5.6 Description Mastodon is a free, open-source social network server based on ActivityPub. The issue relates to FASP Federated Actor Subscription Protocol registration,...

CVE-2025-69620

A path traversal in Moo Chan Song v4.5.7 allows attackers to cause a Denial of Service DoS via writing files to the internal storage...

nTools Office Reader - PDF,Word,Excel 安全漏洞

nTools Office Reader – PDF, Word, Excel is a document reading application developed by nTools Corporation. The version 4.5.7 of nTools Office Reader – PDF, Word, Excel contains a security vulnerability. This vulnerability stems from path traversal vulnerabilities, which may lead to...

CVE-2025-69620

CVE-2025-69620 describes a path traversal in Moo Chan Song v4.5.7 that can cause a Denial of Service by writing files to internal storage. Affected software: Moo Chan Song 4.5.7. Root cause: path traversal leading to DoS. Impact: denial of service as stated. Exploitation/availability impact: avai...

CVE-2025-69620

A path traversal in Moo Chan Song v4.5.7 allows attackers to cause a Denial of Service DoS via writing files to the internal storage...

CVE-2025-12957

The All-in-One Video Gallery plugin for WordPress is vulnerable to arbitrary file upload in all versions up to, and including, 4.5.7. This is due to insufficient file type validation detecting VTT files, allowing double extension files to bypass sanitization while being accepted as a valid VTT...