Linux Distros Unpatched Vulnerability : CVE-2026-114140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocess...

CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to v...

UBUNTU-CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to v...

nbconvert: Arbitrary file write through path traversal in cell output filenames when exporting to md, latex, rst and asciidoc

Summary nbconvert = v7.17.1 has an arbitrary file write vulnerability due to a path traversal in ipynb cell output metadata, more specifically on the filename attribute. Vulnerable converters : --to markdown, --to latex, --to rst, --to asciidoc. In ExtractOutputPreprocessor,...

GHSA-PJVX-PRJX-H659 nbconvert: Arbitrary file write through path traversal in cell output filenames when exporting to md, latex, rst and asciidoc

Summary nbconvert = v7.17.1 has an arbitrary file write vulnerability due to a path traversal in ipynb cell output metadata, more specifically on the filename attribute. Vulnerable converters : --to markdown, --to latex, --to rst, --to asciidoc. In ExtractOutputPreprocessor,...

EUVD-2026-107551

nbconvert: Arbitrary file write through path traversal in cell output filenames when exporting to md, latex, rst and asciidoc...

CVE-2026-114140

A flaw was found in nbconvert. This flaw allows an attacker to perform an arbitrary file write by enticing a user to convert a maliciously crafted Jupyter notebook. Due to improper path validation in ExtractOutputPreprocessor, attacker-controlled cell output metadata can traverse outside the targ...

DEBIAN-CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

CVE-2026-114140 nbconvert: File write via path traversal in cell output filenames

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

CVE-2026-114140

The nbconvert tool (jupyter nbconvert) versions 5.4.0 through 7.17.2 contains a path traversal vulnerability in the ExtractOutputPreprocessor component located at nbconvert/preprocessors/extractoutput.py. The flaw exists because the tool joins attacker-controlled cell output metadata filenames wi...

CVE-2026-114140 nbconvert: File write via path traversal in cell output filenames

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

CVE-2026-114140

The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates. From 5.4.0 until 7.17.2, ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py joins the attacker-controlled cell output metadata filename to outputfilesdir without...

PT-2026-120806

Name of the Vulnerable Software and Affected Versions nbconvert versions 5.4.0 through 7.17.1 Description The ExtractOutputPreprocessor in nbconvert/preprocessors/extractoutput.py fails to properly limit the result of joining the cell output metadata filename to the output files dir. This allows ...

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...

OESA-2026-3956 python-jupyter-server security update

The backend for Jupyter web applications Security Fixes: 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...

OESA-2026-3954 python-jupyter-server security update

The backend for Jupyter web applications Security Fixes: 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...

OESA-2026-3955 python-jupyter-server security update

The backend for Jupyter web applications Security Fixes: 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...

jupyter-nbconvert-7.17.1-2.1 on GA media (moderate)

jupyter-nbconvert-7.17.1-2.1 on GA media Announcement ID: openSUSE-SU-2026:11725-1 Rating: moderate Cross-References: CVE-2026-6658 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...