CVE-2026-34742

The CVE-2026-34742 entry concerns the Model Context Protocol (MCP) Go SDK. Prior to version 1.4.0, an HTTP-based MCP server running on localhost without authentication did not enable DNS rebinding protection by default, allowing a malicious website to bypass same-origin policy and send requests t...

CVE-2026-5322

Technical details about CVE-2026-5322 are not publicly provided in the supplied documents. No affected versions, root cause, or remediation is disclosed here. Monitor for updates and corroborating advisories.

From Component Manipulation to System Compromise: Understanding and Detecting Malicious MCP Servers

The model context protocol MCP standardizes how LLMs connect to external tools and data sources, enabling faster integration but introducing new attack vectors. Despite the growing adoption of MCP, existing MCP security studies classify attacks by their observable effects, obscuring how attacks...

WhatWeb Scanner 0.6.4

WhatWeb is a next-generation web scanner. WhatWeb recognizes web technologies including content management systems CMS, blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and embedded devices. WhatWeb has over 1800 plugins, each to recognize something different...

openssl-encrypt has CORS wildcard with allow_credentials=True in standalone servers

Summary Both standalone servers configure CORS with alloworigins="", allowcredentials=True, allowmethods="", and allowheaders="". Affected Code python server/key-server/app/main.py:86-92 server/telemetry-server/app/main.py:23-29 app.addmiddleware CORSMiddleware, alloworigins=settings.corsorigins,...

DNS Rebinding Protection Disabled by Default in Model Context Protocol Go SDK for Servers Running on Localhost

The Model Context Protocol MCP Go 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 with StreamableHTTPHandler or SSEHandler, a malicious website could exploit DNS rebinding to bypass same-origi...

nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections

A flaw was found in NGINX. When NGINX is configured to proxy to upstream Transport Layer Security TLS servers, An attacker with a man-in-the-middle MITM position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response...

CVE-2026-34445 ONNX: Malicious ONNX models can crash servers by exploiting unprotected object settings.

Open Neural Network Exchange ONNX is an open standard for machine learning interoperability. Prior to version 1.21.0, the ExternalDataInfo class in ONNX was using Python’s setattr function to load metadata like file paths or data lengths directly from an ONNX model file. It didn’t check if the...

PT-2026-29672

Name of the Vulnerable Software and Affected Versions Go MCP SDK versions prior to 1.4.0 Description The Go MCP SDK, utilizing Go's standard encoding/json, did not enable DNS rebinding protection by default for HTTP-based servers prior to version 1.4.0. When an HTTP-based MCP server was run on...

Incus does not verify combined fingerprint when downloading images from simplestreams servers

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Libssh: improper sanitation of paths received from scp servers

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Unspecified Vulnerability in HCL Traveler

HCL Traveler is a software from HCL India. It is used to provide automatic, bi-directional, wireless synchronization between HCL Domino servers and wireless handheld devices. HCL Traveler has a security vulnerability that stems from weak HTTP header validation, which can be exploited by an attack...

CVE-2026-21710

A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs, dest"proto" resolves to Object.prototype rather than undefined, causing .push to be called on a non-array...

CVE-2026-21710

A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs, dest"proto" resolves to Object.prototype rather than undefined, causing .push to be called on a non-array...

CVE-2026-21710

A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is received with a header named proto and the application accesses req.headersDistinct. When this occurs, dest"proto" resolves to Object.prototype rather than undefined, causing .push to be called on a non-array...

SUSE CVE-2026-33542

Incus is a system container and virtual machine manager. Prior to version 6.23.0, a lack of validation of the image fingerprint when downloading from simplestreams image servers opens the door to image cache poisoning and under very narrow circumstances exposes other tenants to running attacker...

Linux Distros Unpatched Vulnerability : CVE-2026-28367

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request...

How Microsoft Defender protects high-value assets in real-world attack scenarios

In this article 1. Using asset context to strengthen detection 2. How high-value asset protection works 3. Real-world high-value asset protection scenarios 4. Protecting your HVAs 5. Learn more High-value assets including domain controllers, web servers, and identity infrastructure are frequent...

EUVD-2026-16694

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending \r\r\r as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer,...

HTTP Request Smuggling

Overview io.undertow:undertow-core is a Java web server based on non-blocking IO. Affected versions of this package are vulnerable to HTTP Request Smuggling via the proxy server. An attacker can gain unauthorized access or manipulate web requests by sending specially crafted header block...