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CVE-2026-73415

Published Aug 12, 2026 CWE-79 EPSS 0.57% (45th pctl)

Overview

CVE-2026-73415 is a known-severity vulnerability. It was published on August 12, 2026.

Technical Description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHub github.com/jupyterlab/jupyterlab/commit/9365f020baec5221deaf11535ed554c06637c999 GitHub github.com/jupyterlab/jupyterlab/commit/be9303f5bcd5308eaeae953c5a3c903046682c2c GitHub github.com/jupyterlab/jupyterlab/commit/f1beab4a2027af4719d6edc07d52d6cf5a39a432 GitHub github.com/jupyterlab/jupyterlab/pull/19184 GitHub github.com/jupyterlab/jupyterlab/pull/19185 GitHub github.com/jupyterlab/jupyterlab/pull/19186 GitHub github.com/jupyterlab/jupyterlab/releases/tag/v4.5.10 GitHub github.com/jupyterlab/jupyterlab/releases/tag/v4.6.2 GitHub github.com/jupyterlab/jupyterlab/releases/tag/v4.7.0a1 GitHub github.com/jupyterlab/jupyterlab/security/advisories/GHSA-gx64-gj6p-pc4c

Frequently Asked Questions

What is CVE-2026-73415?

CVE-2026-73415 is a known-severity vulnerability. It was published on August 12, 2026.

How severe is CVE-2026-73415?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-73415?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-73415?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-73415 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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