# JupyterLab vulnerabilities Source: https://junglewise.ai/threats/vendors/jupyterlab Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/jupyterlab.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in JupyterLab: 3 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86044, was published on 6 November 2026. 4 vulnerabilities in the last four weeks, up 300% on the four before (1). 1 critical against 0. 2 technologies have a page of their own. ## Counts - Last 7 days: 3 - Last 30 days: 3 - Last 90 days: 5 - All time: 8 (1 critical, 0 exploited in the wild) ## About JupyterLab JupyterLab is an open-source web-based interactive development environment for Jupyter notebooks. ## Latest JupyterLab vulnerabilities - [CVE-2026-86044: JupyterLab Desktop server token leak in untrusted notebook](https://junglewise.ai/threats/cve-2026-86044-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-102530: JupyterLab Desktop cross-site scripting in server URL and RSS feed rendering](https://junglewise.ai/threats/cve-2026-102530-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (info, published 6 Nov 2026) - [CVE-2025-54991: JupyterLab Desktop TCC bypass via dyld environment variable on macOS](https://junglewise.ai/threats/cve-2025-54991-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (medium, CVSS 5.5, published 6 Nov 2026) - [CVE-2026-102832: JupyterLab command link trust prompt marks wrong document](https://junglewise.ai/threats/cve-2026-102832-jupyterlab-command-link-trust-prompt-in-jupyterlab-can-trust-a) (medium, CVSS 4.2, published 13 Oct 2026) - [CVE-2026-102904: JupyterLab PyPI Extension Manager command injection in uninstall](https://junglewise.ai/threats/cve-2026-102904-jupyterlab-is-an-extensible-environment-for-interactive-and) (medium, CVSS 5.4, published 29 Sep 2026) - [CVE-2026-73626: JupyterLab allowlist/blocklist bypass in PyPIExtensionManager.install()](https://junglewise.ai/threats/cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager) (high, CVSS 7.5, published 13 Aug 2026) - [CVE-2026-67338: JupyterLab stored cross-site scripting in Extension Manager](https://junglewise.ai/threats/cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager) (medium, CVSS 6.1, published 1 Aug 2026) - [CVE-2026-54528: JupyterLab Git case-sensitivity bypass in excluded_paths](https://junglewise.ai/threats/cve-2026-54528-jupyterlab-git-case-sensitivity-bypass-in-excluded-paths) (high, CVSS 7.1, published 8 Jul 2026) ## Most severe JupyterLab vulnerabilities - [CVE-2026-86044: JupyterLab Desktop server token leak in untrusted notebook](https://junglewise.ai/threats/cve-2026-86044-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (critical, CVSS 9.6, published 6 Nov 2026) - [CVE-2026-73626: JupyterLab allowlist/blocklist bypass in PyPIExtensionManager.install()](https://junglewise.ai/threats/cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager) (high, CVSS 7.5, published 13 Aug 2026) - [CVE-2026-54528: JupyterLab Git case-sensitivity bypass in excluded_paths](https://junglewise.ai/threats/cve-2026-54528-jupyterlab-git-case-sensitivity-bypass-in-excluded-paths) (high, CVSS 7.1, published 8 Jul 2026) - [CVE-2026-67338: JupyterLab stored cross-site scripting in Extension Manager](https://junglewise.ai/threats/cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager) (medium, CVSS 6.1, published 1 Aug 2026) - [CVE-2025-54991: JupyterLab Desktop TCC bypass via dyld environment variable on macOS](https://junglewise.ai/threats/cve-2025-54991-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (medium, CVSS 5.5, published 6 Nov 2026) - [CVE-2026-102904: JupyterLab PyPI Extension Manager command injection in uninstall](https://junglewise.ai/threats/cve-2026-102904-jupyterlab-is-an-extensible-environment-for-interactive-and) (medium, CVSS 5.4, published 29 Sep 2026) - [CVE-2026-102832: JupyterLab command link trust prompt marks wrong document](https://junglewise.ai/threats/cve-2026-102832-jupyterlab-command-link-trust-prompt-in-jupyterlab-can-trust-a) (medium, CVSS 4.2, published 13 Oct 2026) - [CVE-2026-102530: JupyterLab Desktop cross-site scripting in server URL and RSS feed rendering](https://junglewise.ai/threats/cve-2026-102530-jupyterlab-desktop-is-the-cross-platform-desktop-application-for) (info, published 6 Nov 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up 300% on the four before (1). 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 1 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 3 | 1 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## JupyterLab technologies - [JupyterLab](https://junglewise.ai/threats/technologies/jupyterlab-jupyterlab): 4 vulnerabilities - [JupyterLab Desktop](https://junglewise.ai/threats/technologies/jupyterlab-desktop): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "JupyterLab vulnerabilities", https://junglewise.ai/threats/vendors/jupyterlab, 13 November 2026.