# jupyterlab (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/pypi-jupyterlab Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/pypi-jupyterlab.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 18 vulnerabilities in jupyterlab (PyPI): 0 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-2026-102832, was published on 13 October 2026. 1 vulnerability in the last four weeks, down 67% on the four before (3). ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 18 (1 critical, 0 exploited in the wild) ## About jupyterlab (PyPI) Web-based interactive computing environment for notebooks, code, and data. ## Latest jupyterlab (PyPI) vulnerabilities - [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-2026-102831: JupyterLab HTML output sanitization bypass via clipboard paste](https://junglewise.ai/threats/cve-2026-102831-jupyterlab-is-an-extensible-environment-for-interactive-and) (high, CVSS 8.1, published 29 Sep 2026) - [CVE-2026-102830: JupyterLab code injection via Plural-Forms header in language pack](https://junglewise.ai/threats/cve-2026-102830-jupyterlab-is-an-extensible-environment-for-interactive-and) (medium, CVSS 6.8, published 29 Sep 2026) - [CVE-2026-73415: PYSEC-2026-3671 - JupyterLab: Image viewer allows XSS when opening malicious image in new browser tab](https://junglewise.ai/threats/cve-2026-73415-jupyterlab-image-viewer-allows-xss-when-opening-malicious-image) (medium, CVSS 4, published 19 Aug 2026) - [CVE-2026-73417: JupyterLab arbitrary code execution via malicious overrides.json](https://junglewise.ai/threats/cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json) (medium, CVSS 4, published 13 Aug 2026) - [CVE-2026-73416: JupyterLab extension blocklist bypass via package name variant](https://junglewise.ai/threats/cve-2026-73416-jupyterlab-extension-blocklist-bypass-via-package-name-variant) (medium, CVSS 4, published 13 Aug 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-2024-43805: PYSEC-2026-2536 - HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering](https://junglewise.ai/threats/cve-2024-43805-html-injection-in-jupyter-notebook-and-jupyterlab-leading-to-dom) (low, CVSS 3.1, published 13 Jul 2026) - [CVE-2024-22421: PYSEC-2026-2534 - JupyterLab vulnerable to potential authentication and CSRF tokens leak](https://junglewise.ai/threats/cve-2024-22421-jupyterlab-vulnerable-to-potential-authentication-and-csrf-tokens) (low, CVSS 3.1, published 13 Jul 2026) - [CVE-2024-22420: PYSEC-2026-2535 - JupyterLab vulnerable to SXSS in Markdown Preview](https://junglewise.ai/threats/cve-2024-22420-jupyterlab-vulnerable-to-sxss-in-markdown-preview) (low, CVSS 3.1, published 13 Jul 2026) - [CVE-2025-59842: PYSEC-2026-1482 - JupyterLab LaTeX typesetter links did not enforce `noopener` attribute](https://junglewise.ai/threats/cve-2025-59842-jupyterlab-latex-typesetter-links-did-not-enforce-noopener) (medium, CVSS 4, published 7 Jul 2026) - [CVE-2021-32797: PYSEC-2026-688 - JupyterLab: XSS due to lack of sanitization of the action attribute of an html
](https://junglewise.ai/threats/cve-2021-32797-jupyterlab-xss-due-to-lack-of-sanitization-of-the-action) (low, CVSS 3.1, published 2 Jul 2026) - [CVE-2026-42557: Jupyter JupyterLab arbitrary command execution via HTML sanitizer bypass](https://junglewise.ai/threats/cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer) (critical, CVSS 9.6, published 13 May 2026) - [CVE-2026-42266: Project Jupyter JupyterLab privilege escalation in PyPI Extension Manager](https://junglewise.ai/threats/cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension) (high, CVSS 8.8, published 13 May 2026) - [CVE-2026-40171: PYSEC-2026-2682 - Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS](https://junglewise.ai/threats/cve-2026-40171-jupyter-notebook-authentication-token-theft-via-commandlinker-xss) (medium, CVSS 4, published 6 May 2026) - [CVE-2024-39700: PYSEC-2024-322 - JupyterLab extension template is a `copier` template for JupyterLab extensions. Repositories created…](https://junglewise.ai/threats/cve-2024-39700-pysec-2024-322-jupyterlab-extension-template-is-a-copier-template) (low, CVSS 3.1, published 16 Jul 2024) ## Most severe jupyterlab (PyPI) vulnerabilities - [CVE-2026-42557: Jupyter JupyterLab arbitrary command execution via HTML sanitizer bypass](https://junglewise.ai/threats/cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer) (critical, CVSS 9.6, published 13 May 2026) - [CVE-2026-42266: Project Jupyter JupyterLab privilege escalation in PyPI Extension Manager](https://junglewise.ai/threats/cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension) (high, CVSS 8.8, published 13 May 2026) - [CVE-2026-102831: JupyterLab HTML output sanitization bypass via clipboard paste](https://junglewise.ai/threats/cve-2026-102831-jupyterlab-is-an-extensible-environment-for-interactive-and) (high, CVSS 8.1, 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-2026-102830: JupyterLab code injection via Plural-Forms header in language pack](https://junglewise.ai/threats/cve-2026-102830-jupyterlab-is-an-extensible-environment-for-interactive-and) (medium, CVSS 6.8, published 29 Sep 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-2026-102904: 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-2026-73417: JupyterLab arbitrary code execution via malicious overrides.json](https://junglewise.ai/threats/cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json) (medium, CVSS 4, published 13 Aug 2026) - [CVE-2026-73415: PYSEC-2026-3671 - JupyterLab: Image viewer allows XSS when opening malicious image in new browser tab](https://junglewise.ai/threats/cve-2026-73415-jupyterlab-image-viewer-allows-xss-when-opening-malicious-image) (medium, CVSS 4, published 19 Aug 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, down 67% on the four before (3). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 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 | 3 | 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 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other PyPI technologies - [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities - [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities - [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities - [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities - [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities - [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities - [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities - [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities - [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities - [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities - [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities - [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 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 (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/pypi-jupyterlab, 13 November 2026.