{"id":"UBUNTU-CVE-2026-73415","details":"jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. Prior to 4.5.10 and 4.6.2, in packages/imageviewer/src/widget.ts, JupyterLab's ImageViewer uses URL.createObjectURL for a specially crafted SVG image and revokes the blob URL too early, allowing the image to retain an executable same-origin context when it is opened through the image viewer and then opened in a new browser tab. The resulting cross-site scripting can be used to execute arbitrary code on the JupyterLab server. This issue is fixed in versions 4.5.10 and 4.6.2.","modified":"2026-10-01T00:22:01.932764068Z","published":"2026-08-12T20:17:00Z","upstream":["CVE-2026-73415"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-73415"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-73415"},{"type":"REPORT","url":"https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-gx64-gj6p-pc4c"},{"type":"REPORT","url":"https://github.com/jupyterlab/jupyterlab/pull/19186"}],"affected":[{"package":{"name":"jupyterlab","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/jupyterlab?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.11+ds1+~cs11.25.27-7","4.0.11+ds1+~cs11.25.27-8","4.0.11+ds1+~cs11.25.27-9"],"ecosystem_specific":{"binaries":[{"binary_name":"jupyterlab","binary_version":"4.0.11+ds1+~cs11.25.27-9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-73415.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}