Memory Allocation with Excessive Size Value

Overview OpenTelemetry.OpAmp.Client is an OpAMP Client for OpenTelemetry .NET Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through the PlainHttpTransport response handling in the OpAMP HTTP transport. An attacker can force the client to allocate...

OpAMP client reads unbounded HTTP response bodies

Summary When receiving responses from the OpAMP server over HTTP, the OpAMP client allocates an unbounded buffer to read all bytes from the server, with no upper-bound on the number of bytes consumed. This could cause memory exhaustion in the consuming application if the configured OpAMP server i...

GHSA-5C9X-8GCM-MPGX Axios' HTTP adapter-streamed uploads bypass maxBodyLength when maxRedirects: 0

Summary For stream request bodies, maxBodyLength is bypassed when maxRedirects is set to 0 native http/https transport path. Oversized streamed uploads are sent fully even when the caller sets strict body limits. Details Relevant flow in lib/adapters/http.js: - 556-564: maxBodyLength check applie...

EUVD-2026-25588

Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking...

RUSTSEC-2026-0189 DNS rebinding vulnerability in rmcp Streamable HTTP server transport

Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to send requests to an MCP server running on the victim's loopback or private-network interface. An attacker wh...

Linux Distros Unpatched Vulnerability : CVE-2026-42034

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, for stream request bodies, maxBodyLength is bypassed when...

CVE-2026-6993 go-kratos http.DefaultServeMux Fallback server.go NewServer confused deputy

A security flaw has been discovered in go-kratos kratos up to 2.9.2. This impacts the function NewServer of the file transport/http/server.go of the component http.DefaultServeMux Fallback Handler. The manipulation results in unintended intermediary. The attack may be launched remotely. The explo...

CVE-2026-42033

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when Object.prototype has been polluted by any co-dependency with keys that axios reads without a hasOwnProperty guard, an attacker can a silently intercept and modify every JSON response before the...

GHSA-W3W2-MPP5-92GM Apache ActiveMQ Vulnerable to Improper Input Validation and Code Injection

Improper Input Validation, Improper Control of Generation of Code 'Code Injection' vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. An authenticated attacker may bypass the fix in CVE-2026-34197 by adding a connector using an HTTP Discovery transport...

CVE-2026-40466

Improper Input Validation, Improper Control of Generation of Code 'Code Injection' vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. An authenticated attacker may bypass the fix in CVE-2026-34197 by adding a connector using an HTTP Discovery transport...

CVE-2026-32952

go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out of bounds panic, which can crash any Go process using ntlmssp.Negotiator as an HTTP transport. Version 0.1.1 patches the issue...

n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Requests

Impact When n8n-mcp runs in HTTP transport mode, incoming requests to the POST /mcp endpoint had their request metadata written to server logs regardless of the authentication outcome. In deployments where logs are collected, forwarded to external systems, or viewable outside the request trust...

CVE-2026-39313 MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport

mcp-framework is a framework for building Model Context Protocol MCP servers. In versions 0.2.21 and below, the readRequestBody function in the HTTP transport concatenates request body chunks into a string with no size limit. Although a maxMessageSize configuration value exists, it is never...

CVE-2026-39313 MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport

mcp-framework is a framework for building Model Context Protocol MCP servers. In versions 0.2.21 and below, the readRequestBody function in the HTTP transport concatenates request body chunks into a string with no size limit. Although a maxMessageSize configuration value exists, it is never...

EUVD-2026-23300

MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport...

CVE-2026-35577

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

CVE-2026-35577 Missing Host Header Validation in Apollo MCP Server for Localhost Deployments

Apollo MCP Server is a Model Context Protocol server that exposes GraphQL operations as MCP tools. Prior to version 1.7.0, the Apollo MCP Server did not validate the Host header on incoming HTTP requests when using StreamableHTTP transport. In configurations where an HTTP-based MCP server is run ...

SUSE-SU-2026:20685-1 Security update for helm

This update for helm fixes the following issues: - Update to version 3.19.1: CVE-2025-47911: golang.org/x/net/html: Fixed various algorithms with quadratic complexity when parsing HTML documents bsc1251442 CVE-2025-58190: golang.org/x/net/html: Fixed xcessive memory consumption by...

PT-2026-6350

Summary Cross-client response data leak when a single McpServer/Server and transport instance is reused across multiple client connections, most commonly in stateless StreamableHTTPServerTransport deployments. Impact Who is affected: Any MCP server deployment using the TypeScript SDK where a sing...

CVE-2025-66414

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without...