CVE-2026-39378 — Path Traversal
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.embed_images=True`, nbconvert's markdown renderer allows arbitrary file read via path traversal in image references. A m
What This Means For You
- If your environment is affected by CWE-22, CWE-73, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-39378 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-39378 - nbconvert Arbitrary File Read via Path Traversal
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-39378 | vulnerability | CVE-2026-39378 |
| CWE-22 | weakness | CWE-22 |
| CWE-73 | weakness | CWE-73 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 21, 2026 at 04:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
Believe this infringes your rights? Submit a takedown request.
Related Posts
CVE-2026-6675 — The Responsive Blocks – Page Builder for Blocks & Patterns
CVE-2026-6675 — The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to Unauthenticated Open Email Relay in all versions...
CVE-2026-6674 — SQL Injection
CVE-2026-6674 — The Plugin: CMS für Motorrad Werkstätten plugin for WordPress is vulnerable to SQL Injection via the 'arttype' parameter in all versions up to,...
FreeScout CSS Injection Allows Privilege Escalation
CVE-2026-40497 — FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's `Helper::stripDangerousTags()` removes ``, ``, ``, `` but does...