Jupyter Enterprise Gateway: Jinja2 Template Server Side Template Injection resulting in Remote Code Execution

Summary The environment variables KERNELXXX used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI. By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can...

Improper Neutralization of Special Elements Used in a Template Engine

Overview jupyter-enterprise-gateway is an A web server for spawning and communicating with remote Jupyter kernels Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the rendering of Kubernetes manifest templates using...

Incorrect Behavior Order: Validate Before Canonicalize

Overview jupyter-enterprise-gateway is an A web server for spawning and communicating with remote Jupyter kernels Affected versions of this package are vulnerable to Incorrect Behavior Order: Validate Before Canonicalize via improper validation of the KERNELUID and KERNELGID environment variables...

Jupyter Enterprise Gateway: ContainerProcessProxy._enforce_prohibited_ids Bypass

Summary Jupyter Enterprise Gateway has a prohibited UID and GID feature that by default prevents launching kernels with UID or GID 0 root. This can be bypassed. It is possible to launch kernels with a prohibited UID and/or GID by using a specially crafted KERNELUID or KERNELGID value. The feature...

PYSEC-2026-2222

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

CVE-2026-4035

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

PYSEC-2026-2222

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

EUVD-2026-34068

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

CVE-2026-4035 Environment Variable Resolution Vulnerability in mlflow/mlflow

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

CVE-2026-4035 Environment Variable Resolution Vulnerability in mlflow/mlflow

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

PT-2026-46091

Summary The environment variables used during the rendering of the Kubernetes manifest allow YAML injection, enabling attackers to overwrite existing keys like securityContext and inject multi-document YAML to create additional unintended Kubernetes resources. Details The server interpolates...

PT-2026-46096

Summary The environment variables KERNEL XXX used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI. By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can...

PT-2026-46125

Name of the Vulnerable Software and Affected Versions Jupyter Enterprise Gateway versions 2.0.0rc2 through 3.2.x Description Environment variables used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI, a flaw where an attacker injects malicious...

PT-2026-45906

Name of the Vulnerable Software and Affected Versions mlflow versions prior to 3.11.0 Description An issue allows for the resolution of environment variables in AI Gateway secrets, enabling the exfiltration of sensitive server-side environment credentials to an attacker-controlled endpoint. This...

PT-2026-46126

Name of the Vulnerable Software and Affected Versions Jupyter Enterprise Gateway versions prior to 3.3.0 Description The server interpolates untrusted environment variables into Kubernetes manifests without YAML-aware escaping, enabling YAML injection attacks. Attackers can inject new fields,...

CVE-2026-4035: Insertion of Sensitive Information Into Sent Data

A vulnerability in mlflow/mlflow versions prior to 3.11.0 allows for the resolution of environment variables in AI Gateway secrets, which can be exploited to exfiltrate sensitive server-side environment credentials to an attacker-controlled endpoint. This issue arises because the apikey field in...

PT-2026-46093

Summary Jupyter Enterprise Gateway has a prohibited UID and GID feature that by default prevents launching kernels with UID or GID 0 root. This can be bypassed. It is possible to launch kernels with a prohibited UID and/or GID by using a specially crafted KERNEL UID or KERNEL GID value. The featu...

CVE-2026-32625

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

EUVD-2026-34046

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

CVE-2026-32625

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...