SCA: security update for nbconvert (GHSA-7jqv-fw35-gmx9)

medium Tenable Cloud Security Plugin ID 440692

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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 malicious notebook can
exfiltrate sensitive files from the conversion host by embedding them as base64 data URIs in the output
HTML. nbconvert 7.17.1 contains a fix. As a workaround, do not enable `HTMLExporter.embed_images`; it is
not enabled by default. (CVE-2026-39378)

Solution

Update the nbconvert library and its related packages to version 7.17.1 or later.

See Also

https://github.com/advisories/GHSA-7jqv-fw35-gmx9

Plugin Details

Severity: Medium

ID: 440692

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 4/21/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-39378

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/21/2026

Vulnerability Publication Date: 4/21/2026

Reference Information

CVE: CVE-2026-39378