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...

SUSE 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...

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 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 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...

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...

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,...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: Disable KCOV instrumentation after loadsegments The loadsegments function modifies segment registers, thereby invalidating the GS base which KCOV relies on for per-cpu data. When CONFIGKCOV is enabled, any subsequent...

CVE-2026-63995

A flaw was found in the Linux kernel's ethtool CMIS firmware update code. A malicious module or a corrupted response can provide an oversized payload size during the firmware update process. This can lead to an out-of-bounds write, allowing an attacker to corrupt memory. This memory corruption...

CVE-2026-44180 Jupyter Enterprise Gateway: ContainerProcessProxy._enforce_prohibited_ids can be Bypassed

Jupyter Enterprise Gateway launches remote Jupyter Notebook kernels across distributed clusters like Apache Spark, Kubernetes, and Docker Swarm. Versions 2.0.0rc1 and above prior to 3.3.0 have a prohibited UID and GID feature that by default prevents launching kernels with UID or GID 0 root, and...

PYSEC-2026-366 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: kexec: derive purgatory entry from symbol kexecloadpurgatory derives image-start by locating eentry inside an SHFEXECINSTR section. If the purgatory object contains multiple executable sections with overlapping shaddr, the...

CVE-2026-44727 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default...

CVE-2026-44727

Jupyter Server (prior to 2.20) is affected by a stored XSS in the nbconvert HTML export path. The nbconvert HTTP handlers NbconvertFileHandler and NbconvertPostHandler render notebook HTML under the Jupyter origin without a sandbox directive in Content-Security-Policy, and NbconvertHTMLExporter’s...

CVE-2026-44727 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default...