{"action":"Upgrade jupyterlite-core to 0.8.4 or later.","affected":[{"fixed":"0.8.4","introduced":"0.7.0"}],"component":"jupyterlite-core","cve_ids":["CVE-2026-102831"],"ecosystem":"PyPI","epss":0.00193,"exploited":false,"fixed_versions":["0.8.4"],"ghsa_id":"GHSA-6966-vjj6-99xv","id":"tcs_01M5KH9JPAF835AMSF2B6MKGTK","modified_at":"2026-10-01T17:56:16.052628472Z","published_at":"2026-10-01T16:44:34.455277Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4060","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/jupyterlite-core","https://github.com/advisories/GHSA-6966-vjj6-99xv"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-4060","url":"https://osv.dev/vulnerability/PYSEC-2026-4060"}],"summary":"JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard"}