CVE-2026-67338

A flaw was found in JupyterLab. The Extension Manager fails to validate URI protocols in package metadata URLs. This allows attackers to publish malicious PyPI packages containing javascript: URLs in their project metadata. When a user clicks on the extension name, arbitrary JavaScript code can b...

CVE-2026-67338 JupyterLab before 4.5.9 Stored XSS via Extension Manager

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that execute arbitrary JavaScript in the...

CVE-2026-67338

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that execute arbitrary JavaScript in the...

CVE-2026-64870

CVE-2026-64870 affects MaxKB: UpdateStoreTool in versions 2.0.0–2.10.4-lts. The tool passes caller-supplied download_url and download_callback_url to requests.get without host/trusted-host and redirect validation, enabling an authenticated workspace user to trigger server requests to internal, lo...

CVE-2020-8135

The uppy npm package 1.9.3 is vulnerable to a Server-Side Request Forgery SSRF vulnerability, which allows an attacker to scan local or external network or otherwise interact with internal systems. Recent assessments: ericalexanderorg at March 21, 2020 1:52pm UTC reported: SSRF in npm package...