Threats Tagged 'bit-jupyterlab-2026-42557'
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Threats Tagged 'bit-jupyterlab-2026-42557'
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0 JupyterLab versions prior to 4.5.7 and 4.6.3 contain a vulnerability where HTML sanitizer allowlists certain attributes on button elements, enabling one-click execution of arbitrary JupyterLab commands from untrusted HTML content. This can lead to arbitrary code execution, file deletion, and denial of service by exhausting server resources. The vulnerability is exploitable by convincing a user to click a deceptive button embedded in notebook outputs or Markdown files. Multi-click attacks on Chromium-based browsers can escalate to terminal command execution. No workarounds exist for end-users, but patched versions and configuration options to disable the command linker are available. Join the discussion | GCVE Database | 08/13/2026, 17:01:18 UTC Added: 07/06/2026, 23:04:22 UTC |
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