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PyPI/jupyterlab CVE-2026-40171: high, EPSS 0.66%

Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS

Action: Upgrade jupyterlab to 4.5.7 or later.

pip install jupyterlab==4.5.7

Affected

introducedfixedlast affected
04.5.7-

Fixed versions

4.5.7

Sources

CVE-2026-40171 · published · modified · JSON