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PYSEC-2026-2540 jupyterlab-git extension: Stored XSS leading to RCE

🗓️ 13 Jul 2026 15:46:21Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Overview Amazon Web Services (AWS) Security has identified a stored cross-site scripting (XSS) issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution (RCE). The issue exists in the PlainTextDiff.ts component, where...

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13 Jul 2026 16:42Current
6.6Medium risk
Vulners AI Score6.6
CVSS 48.6
EPSS0.00284
3