DEBIAN-CVE-2026-73626

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73626

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73626

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

UBUNTU-CVE-2026-73627

JupyterLab pip package 'jupyterlab' versions =4.1.0,=4.6.0,=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or...

UBUNTU-CVE-2026-73626

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73627

JupyterLab pip package 'jupyterlab' versions =4.1.0,=4.6.0,=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or...

CVE-2026-73627

JupyterLab pip package 'jupyterlab' versions =4.1.0,=4.6.0,=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or...

CVE-2026-73627

CVE-2026-73627 describes a bypass in JupyterLab’s plugin manager lock-rule enforcement. Affected product: JupyterLab (pip package jupyterlab) versions 4.1.0–4.5.9 and 4.6.0–4.6.1. Root cause: two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by is...

CVE-2026-73627 JupyterLab 4.6.0 Plugin Manager Lock-Rule Enforcement Bypass

JupyterLab pip package 'jupyterlab' versions =4.1.0,=4.6.0,=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or...

EUVD-2026-57796

JupyterLab pip package 'jupyterlab' versions =4.1.0,=4.6.0,=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or...

CVE-2026-73626 JupyterLab before 4.6.2 Authentication Bypass via PyPIExtensionManager

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73626 JupyterLab before 4.6.2 Authentication Bypass via PyPIExtensionManager

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73626

CVE-2026-73626 is a HIGH severity (CVSS 3.1: 7.5) vulnerability in JupyterLab versions >=4.6.0, <=4.6.1 and

CVE-2026-73626

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

CVE-2026-73626 JupyterLab before 4.6.2 Authentication Bypass via PyPIExtensionManager

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

EUVD-2026-57795

JupyterLab versions =4.6.0,=4.6.1 and =4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install. A missing 'await' caused the isinstallallowed coroutine to never execute, so the extension allowlist/blocklist check was not enforced for direct callers of install. The sto...

PT-2026-71455

Name of the Vulnerable Software and Affected Versions JupyterLab versions 4.1.0 through 4.5.9 JupyterLab versions 4.6.0 through 4.6.1 Description A plugin manager lock-rule enforcement bypass exists where server-side gaps allow an authenticated user to circumvent administrator lock rules. By maki...

DEBIAN-CVE-2026-73415

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 blo...

CVE-2026-73415

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 blo...

CVE-2026-73415

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 blo...