BIT-jupyterlab-2026-67338

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/jupyterlab/BIT-jupyterlab-2026-67338.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-jupyterlab-2026-67338
Aliases
Published
2026-10-14T08:45:27Z
Modified
2026-10-14T11:11:02Z
Summary
JupyterLab before 4.5.9 Stored XSS via Extension Manager
Details

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that execute arbitrary JavaScript in the JupyterLab origin when users click the extension name.

Database specific 
{
    "cpes":  [
        "cpe:2.3:a:jupyter:jupyterlab:*:*:*:*:*:python:*:*"
    ],
    "severity":  "Medium"
}
References

Affected packages

Bitnami / jupyterlab

Package

Name
jupyterlab
Purl
pkg:bitnami/jupyterlab

Severity

  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.5.9

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/jupyterlab/BIT-jupyterlab-2026-67338.json"