CVE-2026-39377
MediumAdvisory
Published 21 Apr 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.5
- base score, highest
- EPSS
- 0.003
- 19th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5
- of 17,781 indexed, latest versions
- Container images
- 5
- deployed by those charts
- Fix available
- 1 of 1
- affected package
nbconvert has an Arbitrary File Write via Path Traversal in Cell Attachment Filenames
Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 5 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| nbconvertpypi | 7.2.7, 7.7.3, 7.14.1, 7.16.4 | 7.17.1 | 5 |
- OSV records
- GHSA-4c99-qj7h-p3vg
- Also known as
- PYSEC-2026-2229
Charts affected
5 by stars
Container images carrying it
5 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| aristidetm/ | 469dbc951224 | nbconvert | 7.17.1 | 1 |
| jupyterhub/ | 8e4778efec8e | nbconvert | 7.17.1 | 1 |
| kyso/ | 4aa9d38ee81d | nbconvert | 7.17.1 | 1 |
| pangeo/ | 5fbe688a4f80 | nbconvert | 7.17.1 | 1 |
| ghcr.io/ | f53bde3acd4f | nbconvert | 7.17.1 | 1 |