CVE-2026-102832 JupyterLab: Command link trust prompt in JupyterLab can trust a document other than the one clicked

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.7 until 4.5.11 and 4.6.4, the markdownviewer:trust and notebook:trust command-link handlers use tracker.currentWidget to resolve the current Markdown viewer or...

CVE-2026-102832

The JupyterLab environment (versions 4.5.7 to 4.5.11 and 4.6.4) contains a logic flaw in the markdownviewer:trust and notebook:trust command-link handlers. The root cause is the use of tracker.currentWidget to resolve the target document when a user interacts with a trust prompt, rather than reta...