CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2026-42559

The RMCP Streamable HTTP server transport in the rmcp crate failed to validate the Host header prior to version 1.4.0, enabling a DNS rebinding attack that could cause authenticated requests to reach a victim’s local MCP server. Impact could include enumeration, reading state, and triggering side...

CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

Security Bulletin: Security vulnerability in Golang affects IBM Robotic Process Automation for Cloud Pak

Summary A security vulnerability in Golang affects IBM Robotic Process Automation. Golang is used by IBM Robotic Process Automation as part of its deployment. This bulletin identifies the fixes required to resolve the vulnerabilities. Vulnerability Details CVEID:CVE-2026-25518 DESCRIPTION:...

AutoPentest-Framework

AutoPentest Framework A modular Automated Penetration Testing...

Updated dnsmasq packages fix security vulnerabilities

CVE-2026-2291: dnsmasqs extractname function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS. CVE-2026-4890: A Denial of Service DoS...

EUVD-2026-30180

SSL verification is disabled in the DNS Cluster system. This could allow for a malicious server to man-in-the-middle the request and capture credentials...

RMCP 访问控制错误漏洞

RMCP is an open-source Rust model context protocol SDK based on Tokio’s asynchronous runtime. Versions prior to RMCP 1.4.0 contained an access control vulnerability. This vulnerability stemmed from the Streamable HTTP server transmitting unvalidated incoming Host headers, allowing malicious publi...

www/nginx -- Remote Code Execution/DoS

nginx development team reports: When using the "proxysetbody" directive, an attacker might inject data in the proxied request to an HTTP/2 backend A heap memory buffer overflow might occur in a worker process while handling a specially crafted request by ngxhttprewritemodule, potentially resultin...

Medium: dnsmasq

Issue Overview: dnsmasqs extractname function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS. CVE-2026-2291 Affected Packages: dnsmasq Issu...

CVE-2026-32992

SSL verification is disabled in the DNS Cluster system. This could allow for a malicious server to man-in-the-middle the request and capture credentials...

CVE-2026-32992

SSL verification is disabled in the DNS Cluster system. This could allow for a malicious server to man-in-the-middle the request and capture credentials...

CVE-2026-32992

CVE-2026-32992 affects the DNS Cluster system where SSL verification is disabled, enabling a man-in-the-middle capture of credentials. Documented impact aligns with CVSSv3.1 base score 8.2 (HIGH) with network attack, no user interaction required, and no privileges. The NVD description specifies t...

AZL-86751 CVE-2026-42304 affecting package python-twisted for versions less than 22.10.0-5

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending...

CVE-2026-41096

Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network...

CVE-2026-42304

The CVE-2026-42304 issue affects Twisted (twisted.names) up to version 26.4.0rc2. Root cause: the DNS name decoder in twisted.names.dns.Name.decode lacks a limit on pointer dereferences per DNS message, and the per-question visited state can reset, enabling an attacker to craft TCP DNS packets wi...

DEBIAN-CVE-2026-42579

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints during either encoding or decoding. This creates a bidirectional attack surface: malicious DNS responses can exploit t...

UBUNTU-CVE-2026-42579

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints during either encoding or decoding. This creates a bidirectional attack surface: malicious DNS responses can exploit t...

EUVD-2026-30065

A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service DoS condition all PAN-OS platforms except Cloud NGFW and Prisma Access or potentially execute arbitra...