125 matches found
CVE-2026-6658
A vulnerability in jupyter/nbconvert versions tag. This vulnerability impacts any server using nbconvert to render notebooks as HTML, allowing attackers to execute arbitrary JavaScript in the context of users viewing the HTML export...
CVE-2026-6658
The CVE-2026-6658 issue affects jupyter/nbconvert versions <= 7.17.0. The vulnerability arises because the data_mermaid block in share/templates/lab/base.html.j2 renders text/vnd.mermaid cell output directly into HTML without escaping, enabling Cross-site Scripting (XSS) by breaking out of the...
CVE-2026-6658 Cross-site Scripting (XSS) in jupyter/nbconvert
A vulnerability in jupyter/nbconvert versions tag. This vulnerability impacts any server using nbconvert to render notebooks as HTML, allowing attackers to execute arbitrary JavaScript in the context of users viewing the HTML export...
EUVD-2026-39642
A vulnerability in jupyter/nbconvert versions tag. This vulnerability impacts any server using nbconvert to render notebooks as HTML, allowing attackers to execute arbitrary JavaScript in the context of users viewing the HTML export...
Linux Distros Unpatched Vulnerability : CVE-2026-44727
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under...
CVE-2026-44727
Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default...
CVE-2026-44727 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP
Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default...
CVE-2026-44727
Jupyter Server (prior to 2.20) is affected by a stored XSS in the nbconvert HTML export path. The nbconvert HTTP handlers NbconvertFileHandler and NbconvertPostHandler render notebook HTML under the Jupyter origin without a sandbox directive in Content-Security-Policy, and NbconvertHTMLExporter’s...
Astra Linux – Vulnerability in nbconvert
The GitHub Security Lab identified sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of a user-controllable notebook, it is possible to inject arbitrary HTML, which may lead to cross-site scripting XSS vulnerabilities if...
GHSA-FCW5-X6J4-CCMP Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP
The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...
Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP
The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...
PT-2026-50718
Name of the Vulnerable Software and Affected Versions jupyter-server versions prior to 2.20.0 Description The nbconvert HTTP handlers render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy CSP, which is a security layer that helps...
OESA-2026-2215 python-nbconvert security update
The nbconvert tool, jupyter nbconvert, converts notebooks to various other formats via Jinja templates. The nbconvert tool allows you to convert an .ipynb notebook file into various static formats including HTML, LaTeX, PDF, Reveal JS, Markdown md, ReStructured Text rst and executable script...
OESA-2026-2196 python-nbconvert security update
The nbconvert tool, jupyter nbconvert, converts notebooks to various other formats via Jinja templates. The nbconvert tool allows you to convert an .ipynb notebook file into various static formats including HTML, LaTeX, PDF, Reveal JS, Markdown md, ReStructured Text rst and executable script...
OESA-2026-2195 python-nbconvert security update
The nbconvert tool, jupyter nbconvert, converts notebooks to various other formats via Jinja templates. The nbconvert tool allows you to convert an .ipynb notebook file into various static formats including HTML, LaTeX, PDF, Reveal JS, Markdown md, ReStructured Text rst and executable script...
SUSE CVE-2025-53000
The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. Versions of nbconvert up to and including 7.16.6 on Windows have a vulnerability in which converting a notebook containing SVG output to a PDF results in unauthorized code execution...
CVE-2026-39378
A flaw was found in nbconvert, a tool used to convert Jupyter notebooks. A malicious notebook can exploit this vulnerability when the HTMLExporter.embedimages setting is enabled. This allows for path traversal in image references, which can lead to arbitrary file read. Consequently, sensitive fil...
SUSE CVE-2026-39377
The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. Versions 6.5 through 7.17.0 allow arbitrary file writes to locations outside the intended output directory when processing notebooks containing crafted cell attachment filenames. The...
SUSE CVE-2026-39378
The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. In versions 6.5 through 7.17.0, when HTMLExporter.embedimages=True, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A malicious notebook...
OPENSUSE-SU-2026:10603-1 jupyter-nbconvert-7.17.1-1.1 on GA media
These are all security issues fixed in the jupyter-nbconvert-7.17.1-1.1 package on the GA media of openSUSE Tumbleweed...