{"schema_version":1,"title":"Project Jupyter Jupyterlab vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in Project Jupyter Jupyterlab: 0 in the last 7 days and 9 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73417, was published on 13 August 2026.","url":"https://junglewise.ai/threats/technologies/jupyterlab","json_url":"https://junglewise.ai/threats/technologies/jupyterlab.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/jupyterlab","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":11,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":9,"last_365_days":11},"latest":[{"cve":"CVE-2026-73417","cvss":4,"epss":0.0075,"slug":"cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json","title":"JupyterLab arbitrary code execution via malicious overrides.json","severity":"medium","exploited":false,"published_at":"2026-08-13T22:17:26.133+00:00","url":"https://junglewise.ai/threats/cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json"},{"cve":"CVE-2026-73416","cvss":4,"epss":0.0066,"slug":"cve-2026-73416-jupyterlab-extension-blocklist-bypass-via-package-name-variant","title":"JupyterLab extension blocklist bypass via package name variant","severity":"medium","exploited":false,"published_at":"2026-08-13T22:17:25.963+00:00","url":"https://junglewise.ai/threats/cve-2026-73416-jupyterlab-extension-blocklist-bypass-via-package-name-variant"},{"cve":"CVE-2026-73627","cvss":6,"epss":0.0042,"slug":"cve-2026-73627-jupyterlab-plugin-manager-lock-rule-enforcement-bypass","title":"JupyterLab plugin manager lock-rule enforcement bypass","severity":"info","exploited":false,"published_at":"2026-08-13T12:17:28.043+00:00","url":"https://junglewise.ai/threats/cve-2026-73627-jupyterlab-plugin-manager-lock-rule-enforcement-bypass"},{"cve":"CVE-2026-73626","cvss":7.5,"epss":0.0036,"slug":"cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager","title":"JupyterLab allowlist/blocklist bypass in PyPIExtensionManager.install()","severity":"high","exploited":false,"published_at":"2026-08-13T12:17:27.897+00:00","url":"https://junglewise.ai/threats/cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager"},{"cve":"CVE-2026-67338","cvss":6.1,"epss":0.0031,"slug":"cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager","title":"JupyterLab stored cross-site scripting in Extension Manager","severity":"medium","exploited":false,"published_at":"2026-08-01T13:17:04.843+00:00","url":"https://junglewise.ai/threats/cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager"},{"cvss":8.6,"slug":"jupyterlab-xss-via-crafted-settings-file-in-overrides-json-32224a26","title":"JupyterLab XSS via crafted settings file in overrides.json","severity":"high","exploited":false,"published_at":"2026-07-22T23:16:18+00:00","url":"https://junglewise.ai/threats/jupyterlab-xss-via-crafted-settings-file-in-overrides-json-32224a26"},{"cvss":6.1,"slug":"jupyterlab-blocklist-bypass-in-pypi-extension-manager-7ad5968e","title":"JupyterLab blocklist bypass in PyPI extension manager","severity":"medium","exploited":false,"published_at":"2026-07-22T23:14:27+00:00","url":"https://junglewise.ai/threats/jupyterlab-blocklist-bypass-in-pypi-extension-manager-7ad5968e"},{"cvss":6,"slug":"jupyter-jupyterlab-auth-bypass-in-pluginmanager-lock-rule-enforcement-ac224559","title":"Jupyter JupyterLab auth bypass in PluginManager lock-rule enforcement","severity":"medium","exploited":false,"published_at":"2026-07-22T23:13:34+00:00","url":"https://junglewise.ai/threats/jupyter-jupyterlab-auth-bypass-in-pluginmanager-lock-rule-enforcement-ac224559"},{"cve":"CVE-2026-40171","cvss":4,"epss":0.0066,"slug":"cve-2026-40171-jupyter-notebook-authentication-token-theft-via-commandlinker-xss","title":"PYSEC-2026-2682 - Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS","severity":"medium","exploited":false,"published_at":"2026-07-13T15:02:55.67876+00:00","url":"https://junglewise.ai/threats/cve-2026-40171-jupyter-notebook-authentication-token-theft-via-commandlinker-xss"},{"cve":"CVE-2026-42557","cvss":9.6,"epss":0.0072,"slug":"cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer","title":"Jupyter JupyterLab arbitrary command execution via HTML sanitizer bypass","severity":"critical","exploited":false,"published_at":"2026-05-13T16:16:48.167+00:00","url":"https://junglewise.ai/threats/cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer"},{"cve":"CVE-2026-42266","cvss":8.8,"epss":0.0085,"slug":"cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension","title":"Project Jupyter JupyterLab privilege escalation in PyPI Extension Manager","severity":"high","exploited":false,"published_at":"2026-05-13T16:16:47.017+00:00","url":"https://junglewise.ai/threats/cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":4},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Project Jupyter Notebook","slug":"notebook","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/notebook"}],"technology":{"hub":true,"name":"Project Jupyter Jupyterlab","slug":"jupyterlab","vendor":{"name":"Project Jupyter","slug":"project-jupyter","url":"https://junglewise.ai/threats/vendors/project-jupyter"},"aliases":[],"category":"application","homepage":"https://jupyter.org/","repo_url":"https://github.com/jupyterlab/jupyterlab","description":"A web-based interactive development environment for Jupyter notebooks, code, and data.","url":"https://junglewise.ai/threats/technologies/jupyterlab"},"most_severe":[{"cve":"CVE-2026-42557","cvss":9.6,"epss":0.0072,"slug":"cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer","title":"Jupyter JupyterLab arbitrary command execution via HTML sanitizer bypass","severity":"critical","exploited":false,"published_at":"2026-05-13T16:16:48.167+00:00","url":"https://junglewise.ai/threats/cve-2026-42557-jupyter-jupyterlab-arbitrary-command-execution-via-html-sanitizer"},{"cve":"CVE-2026-42266","cvss":8.8,"epss":0.0085,"slug":"cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension","title":"Project Jupyter JupyterLab privilege escalation in PyPI Extension Manager","severity":"high","exploited":false,"published_at":"2026-05-13T16:16:47.017+00:00","url":"https://junglewise.ai/threats/cve-2026-42266-project-jupyter-jupyterlab-privilege-escalation-in-pypi-extension"},{"cvss":8.6,"slug":"jupyterlab-xss-via-crafted-settings-file-in-overrides-json-32224a26","title":"JupyterLab XSS via crafted settings file in overrides.json","severity":"high","exploited":false,"published_at":"2026-07-22T23:16:18+00:00","url":"https://junglewise.ai/threats/jupyterlab-xss-via-crafted-settings-file-in-overrides-json-32224a26"},{"cve":"CVE-2026-73626","cvss":7.5,"epss":0.0036,"slug":"cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager","title":"JupyterLab allowlist/blocklist bypass in PyPIExtensionManager.install()","severity":"high","exploited":false,"published_at":"2026-08-13T12:17:27.897+00:00","url":"https://junglewise.ai/threats/cve-2026-73626-jupyterlab-allowlist-blocklist-bypass-in-pypiextensionmanager"},{"cve":"CVE-2026-67338","cvss":6.1,"epss":0.0031,"slug":"cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager","title":"JupyterLab stored cross-site scripting in Extension Manager","severity":"medium","exploited":false,"published_at":"2026-08-01T13:17:04.843+00:00","url":"https://junglewise.ai/threats/cve-2026-67338-jupyterlab-stored-cross-site-scripting-in-extension-manager"},{"cvss":6.1,"slug":"jupyterlab-blocklist-bypass-in-pypi-extension-manager-7ad5968e","title":"JupyterLab blocklist bypass in PyPI extension manager","severity":"medium","exploited":false,"published_at":"2026-07-22T23:14:27+00:00","url":"https://junglewise.ai/threats/jupyterlab-blocklist-bypass-in-pypi-extension-manager-7ad5968e"},{"cvss":6,"slug":"jupyter-jupyterlab-auth-bypass-in-pluginmanager-lock-rule-enforcement-ac224559","title":"Jupyter JupyterLab auth bypass in PluginManager lock-rule enforcement","severity":"medium","exploited":false,"published_at":"2026-07-22T23:13:34+00:00","url":"https://junglewise.ai/threats/jupyter-jupyterlab-auth-bypass-in-pluginmanager-lock-rule-enforcement-ac224559"},{"cve":"CVE-2026-73417","cvss":4,"epss":0.0075,"slug":"cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json","title":"JupyterLab arbitrary code execution via malicious overrides.json","severity":"medium","exploited":false,"published_at":"2026-08-13T22:17:26.133+00:00","url":"https://junglewise.ai/threats/cve-2026-73417-jupyterlab-arbitrary-code-execution-via-malicious-overrides-json"},{"cve":"CVE-2026-73416","cvss":4,"epss":0.0066,"slug":"cve-2026-73416-jupyterlab-extension-blocklist-bypass-via-package-name-variant","title":"JupyterLab extension blocklist bypass via package name variant","severity":"medium","exploited":false,"published_at":"2026-08-13T22:17:25.963+00:00","url":"https://junglewise.ai/threats/cve-2026-73416-jupyterlab-extension-blocklist-bypass-via-package-name-variant"},{"cve":"CVE-2026-40171","cvss":4,"epss":0.0066,"slug":"cve-2026-40171-jupyter-notebook-authentication-token-theft-via-commandlinker-xss","title":"PYSEC-2026-2682 - Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS","severity":"medium","exploited":false,"published_at":"2026-07-13T15:02:55.67876+00:00","url":"https://junglewise.ai/threats/cve-2026-40171-jupyter-notebook-authentication-token-theft-via-commandlinker-xss"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}