Linux Distros Unpatched Vulnerability : CVE-2026-114135

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with...

EUVD-2026-107544

Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization...

DEBIAN-CVE-2026-114135

Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.isauthorized... for the execute action on the kernels...

CVE-2026-114135

Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.isauthorized... for the execute action on the kernels...

CVE-2026-114135 Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization

Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.isauthorized... for the execute action on the kernels...

CVE-2026-114135 Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization

Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.isauthorized... for the execute action on the kernels...

CVE-2026-114135 Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization

Jupyter Server is the backend for Jupyter web applications. From 2.0.0 until 2.6.0, enabling GatewayClient.url replaced the normal KernelWebsocketHandler with WebSocketChannelsHandler, which authenticated the user but did not call authorizer.isauthorized... for the execute action on the kernels...

CVE-2026-114135

Jupyter Server (versions 2.0.0 through 2.6.0) is vulnerable to an authorization bypass when GatewayClient.url is enabled. The WebSocketChannelsHandler fails to call authorizer.is_authorized(...) for the execute action on the kernels resource, allowing a restricted authenticated user to open an up...

PT-2026-120801

Name of the Vulnerable Software and Affected Versions Jupyter Server versions 2.0.0 through 2.6.0 Description An authorization bypass exists when GatewayClient.url is enabled, causing the KernelWebsocketHandler to be replaced by WebSocketChannelsHandler. While this handler authenticates the user,...

Jupyter Server authorization issue vulnerability

Versions 2.0.0 through 2.6.0 of Jupyter Server contain an authorization issue vulnerability. This arises because after enabling GatewayClient.url, WebSocketChannelsHandler fails to perform authorization checks on calls to execute on kernels resources via authorizer.isauthorized.... As a result,...