cvedb.io
CVE-2026-67338
MEDIUM · CVSS 6.1
EPSS exploitation probability: 0%
Published 2026-08-01T13:17:04.843 · Last modified 2026-08-01T13:17:04.843

Summary

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.

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References

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