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 ...

CVE-2026-40072

web3.py allows you to interact with the Ethereum blockchain using Python. From 6.0.0b3 to before 7.15.0 and 8.0.0b2, web3.py implements CCIP Read / OffchainLookup EIP-3668 by performing HTTP requests to URLs supplied by smart contracts in offchainlookuppayload"urls". The implementation uses these...

RLSA-2026:7302 Important: nodejs:22 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion CVE-2026-25547 minimatch: minimatch: Denial of Service via...

CVE-2026-40072

web3.py allows you to interact with the Ethereum blockchain using Python. From 6.0.0b3 to before 7.15.0 and 8.0.0b2, web3.py implements CCIP Read / OffchainLookup EIP-3668 by performing HTTP requests to URLs supplied by smart contracts in offchainlookuppayload"urls". The implementation uses these...

CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

CVE-2026-39974

CVE-2026-39974 affects the n8n-mcp component (Model Context Protocol server). In multi-tenant HTTP mode, an authenticated caller with a valid AUTH_TOKEN can trigger SSRF to arbitrary URLs supplied via per-request headers (instance-URL headers). The server reflects HTTP responses back through JSON...

CVE-2026-5440 Memory Exhaustion via Unbounded Content-Length

A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the attacker supplied header value without enforcing an upper limit. A crafted HTTP request containing an extremely large Content-Length val...

CVE-2026-5440

A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the attacker supplied header value without enforcing an upper limit. A crafted HTTP request containing an extremely large Content-Length val...

CVE-2026-5440

A memory exhaustion vulnerability exists in the HTTP server due to unbounded use of the Content-Length header. The server allocates memory directly based on the attacker supplied header value without enforcing an upper limit. A crafted HTTP request containing an extremely large Content-Length val...

squid34: Fix of 2 CVEs

CVE-2026-33526: fix heap Use-After-Free in ICP traffic handling causing DoS - CVE-2026-32748: fix HttpRequest lifetime in ICP v3 queries preventing Use-After-Free DoS...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers

A flaw was found in undici, a Node.js HTTP/1.1 client. A remote attacker could exploit this vulnerability by sending HTTP/1.1 requests that include duplicate Content-Length headers with different casing e.g., "Content-Length" and "content-length". This can lead to HTTP Request Smuggling, a...

Important: Red Hat Security Advisory: nodejs:22 security update

An update for the nodejs:22 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

CLSA-2026-1775734284 Fix CVE(s): CVE-2026-32748, CVE-2026-33526

SECURITY UPDATE: denial of service via use-after-free in ICP - debian/patches/CVE-2026-33526.patch: remove duplicate rfc1738escape call in icpGetRequest that invalidated the previously escaped URL pointer - CVE-2026-33526 SECURITY UPDATE: denial of service via use-after-free in ICP request handli...

CVE-2026-5849

A vulnerability was determined in Tenda i12 1.0.0.113862. The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized...

CVE-2026-5849 Tenda i12 HTTP path traversal

A vulnerability was determined in Tenda i12 1.0.0.113862. The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized...

CVE-2026-5841

A weakness has been identified in Tenda i3 1.0.0.62204. The affected element is the function R7WebsSecurityHandler of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could b...

GHSA-CRH9-3GJH-M6GC api-lab-mcp vulnerable to SSRF

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...