Detections
Analytics

Chainguard: jupyterhub-k8s-singleuser-sample: security update to 4.4.2-r7

high Tenable Self-Hosted Container Security Plugin ID 473749

Description

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

 - JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter
 Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and
 from JupyterLite Core 0.7.0 until 0.8.4, the system clipboard cell-paste path accepts attacker-controlled
 cell JSON without clearing metadata.trusted. When useSystemClipboardForCells is active and
 pasteCodeCellsWithoutOutput is disabled, a pasted code cell can mark HTML output as trusted, bypass output
 sanitization, and execute script in the authenticated JupyterLab origin without executing the cell.
 Markdown and raw cells are not affected because their output is sanitized. This issue is fixed in
 JupyterLab 4.5.11 and 4.6.4, Notebook 7.6.3, and JupyterLite Core 0.8.4. (CVE-2026-102831)

Solution

Update the jupyterhub-k8s-singleuser-sample library and its related packages to version 4.4.2-r7 or later.

Plugin Details

Severity: High

ID: 473749

Version: Revision 1.1

Type: Local

Published: 10/8/2026

Updated: 10/8/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.44

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-102831

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/29/2026

Reference Information

CVE: CVE-2026-102831