PatchTheCVEnbconvert vulnerabilities and fixes
Recent CVEs affecting nbconvert, with upgrade or downgrade steps. 2 tracked.
nbconvert has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-04-21. Highest priority: CVE-2026-39378 (score 29/100).
- CVE-2026-39377 MEDIUM 6.5 UPGRADE The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates
- CVE-2026-39378 MEDIUM 6.5 UPGRADE The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates
FAQ
How do I fix nbconvert vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is nbconvert being exploited right now?
None of the tracked nbconvert CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which nbconvert CVE should I patch first?
CVE-2026-39378 currently ranks highest (29/100): The nbconvert tool, jupyter nbconvert, converts Jupyter notebooks to various other formats via Jinja templates.