{"action":"Upgrade jupyterlab to 4.5.11 or later.","affected":[{"fixed":"4.5.11","introduced":"4.5.0"},{"fixed":"4.6.4","introduced":"4.6.0"}],"component":"jupyterlab","cve_ids":["CVE-2026-102831"],"ecosystem":"PyPI","epss":0.00236,"exploited":false,"fixed_versions":["4.5.11","4.6.4"],"ghsa_id":"GHSA-6966-vjj6-99xv","id":"tcs_01M5KH9J15V9V4ZA7FEDK0QM2M","modified_at":"2026-10-01T17:56:16.052628472Z","published_at":"2026-10-01T16:44:34.044285Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4057","https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-6966-vjj6-99xv","https://nvd.nist.gov/vuln/detail/CVE-2026-102831","https://github.com/jupyterlab/jupyterlab/commit/1a10a7da5ff655849b21581c2633b46483ae0be9","https://github.com/jupyterlab/jupyterlab/commit/7f9f29e29e0c83fb17b0f11da57d06b3c6a40d96","https://github.com/jupyterlab/jupyterlab/commit/cf6e89a8d315c4134cefa50c220bca296da466a7","https://github.com/jupyterlab/jupyterlab","https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.11","https://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.4","https://pypi.org/project/jupyterlab","https://github.com/advisories/GHSA-6966-vjj6-99xv"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-4057","url":"https://osv.dev/vulnerability/PYSEC-2026-4057"}],"summary":"JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard"}