PYSEC-2026-1617 Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default

Description The Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication using FastMCP with streamable HTTP or SSE transport, and has not configured...

pyLoad is vulnerable to attacks that bypass localhost restrictions, enabling the creation of arbitrary packages

SummaryAny unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. DetailsAny unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. This ...

PYSEC-2026-1822 pyLoad is vulnerable to attacks that bypass localhost restrictions, enabling the creation of arbitrary packages

Summary Any unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. Details Any unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. Thi...

Gradio CORS Origin Validation Bypass Vulnerability

A vulnerability classified as problematic has been found in gradio-app gradio up to 5.29.1. This affects the function isvalidorigin of the component CORS Handler. The manipulation of the argument localhostaliases leads to origin validation error. It is possible to initiate the attack remotely. Th...

PYSEC-2026-1423 Gradio CORS Origin Validation Bypass Vulnerability

A vulnerability classified as problematic has been found in gradio-app gradio up to 5.29.1. This affects the function isvalidorigin of the component CORS Handler. The manipulation of the argument localhostaliases leads to origin validation error. It is possible to initiate the attack remotely. Th...

GO-2026-5809 Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core

Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF in github.com/apernet/hysteria/core. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

PYSEC-2026-1971 TorchServe gRPC Port Exposure

Impact The two gRPC ports 7070 and 7071, are not bound to localhost by default, so when TorchServe is launched, these two interfaces are bound to all interfaces. Customers using PyTorch inference Deep Learning Containers DLC through Amazon SageMaker and EKS are not affected. Patches This issue in...

PYSEC-2026-1292 dbt allows Binding to an Unrestricted IP Address via socketsocket

Summary Binding to INADDRANY 0.0.0.0 or IN6ADDRANY :: exposes an application on all network interfaces, increasing the risk of unauthorized access. While doing some static analysis and code inspection, I found the following code binding a socket to INADDRANY by passing "" as the address. This...

dbt allows Binding to an Unrestricted IP Address via socketsocket

SummaryBinding to INADDRANY 0.0.0.0 or IN6ADDRANY :: exposes an application on all network interfaces, increasing the risk of unauthorized access.While doing some static analysis and code inspection, I found the following code binding a socket to INADDRANY by passing "" as the address. This...

PYSEC-2026-2043 Werkzeug debugger vulnerable to remote execution when interacting with attacker controlled domain

The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it...

Werkzeug debugger vulnerable to remote execution when interacting with attacker controlled domain

The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it...

NI MeasurementLink Python Services Improper Access Restriction vulnerability

ImpactAn improper access restriction in NI MeasurementLink Python services could allow an attacker on an adjacent network to reach services exposed on localhost. These services were previously thought to be unreachable outside of the node. This affects measurement plug-ins written in Python using...

PYSEC-2026-1695 NI MeasurementLink Python Services Improper Access Restriction vulnerability

Impact An improper access restriction in NI MeasurementLink Python services could allow an attacker on an adjacent network to reach services exposed on localhost. These services were previously thought to be unreachable outside of the node. This affects measurement plug-ins written in Python usin...

SUSE CVE-2026-14631

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631

A flaw was found in webpack-dev-server. An unauthenticated remote attacker could send a specially crafted HTTP request with a malformed Host header or a WebSocket upgrade with a malformed Origin header. This malformed input causes an uncaught exception, leading to the termination of the Node.js...

PYSEC-2026-814 OpenStack Glance Server-Side Request Forgery (SSRF)

An SSRF issue was discovered in OpenStack Glance before Newton. The 'copyfrom' feature in the Image Service API v1 allowed an attacker to perform masked network port scans. With v1, it is possible to create images with a URL such as 'http://localhost:22'. This could then allow an attacker to...

CVE-2026-14631

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631

Vulnerability overview: CVE-2026-14631 affects webpack-dev-server up to version 5.2.5. An unauthenticated peer sending a normal HTTP request with a malformed Host header or a WebSocket upgrade to /ws with a malformed Origin header triggers an uncaught exception in the host-validation path, crashi...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...