CVE-2026-8200

When schema validation is enabled on a collection and an update or insert would violate the collection's schema, the local server log message generated may not have all user data redacted. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 version...

GHSA-C73C-X77G-854R OpenClaude MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OAuth State Validation Bypass via error Parameter Causes Local Server DoS in MCP Auth Callback --- Description The OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter against an internal...

PT-2026-40532

OAuth State Validation Bypass via error Parameter Causes Local Server DoS in MCP Auth Callback --- Description The OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter against an internal...

DNS Rebinding

MCP Java SDK is vulnerable to DNS Rebinding. The vulnerability is due to lack of Origin Validation, allowing a malicious website to bypass same-origin restrictions and access a local or network-private MCP server via the victim’s browser, enabling unauthorized tool invocation...

PT-2026-31715

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 ...

Security Bulletin: MCP Python SDK DNS Rebinding Vulnerability in HTTP Servers (Fixed in 1.23.0) affects watsonx.data

Summary The MCP Python SDK mcp prior to 1.23.0 did not enable DNS rebinding protection by default for HTTP-based servers. This could allow a malicious website to bypass same-origin policies and send requests to a local MCP server running without authentication. This can affect watsonx.data...

Java-SDK has a DNS Rebinding Vulnerability

Summary The java-sdk contains a DNS rebinding vulnerability. This vulnerability allows an attacker to access a locally or network-private java-sdk MCP server via a victims browser that is either local, or network adjacent. This allows an attacker to make any tool call to the server as if they wer...

CVE-2026-5323 priyankark a11y-mcp index.js A11yServer server-side request forgery

A vulnerability was found in priyankark a11y-mcp up to 1.0.5. This vulnerability affects the function A11yServer of the file src/index.js. The manipulation results in server-side request forgery. The attack must be initiated from a local position. The exploit has been made public and could be use...

CVE-2026-5323

A vulnerability was found in priyankark a11y-mcp up to 1.0.5. This vulnerability affects the function A11yServer of the file src/index.js. The manipulation results in server-side request forgery. The attack must be initiated from a local position. The exploit has been made public and could be use...

MCP Go SDK 安全漏洞

MCP Go SDK is an open-source development toolkit for the Model Context Protocol. Versions of MCP Go SDK prior to 1.4.0 contained security vulnerabilities. These vulnerabilities stemmed from the default lack of DNS rebinding protection, allowing malicious websites to bypass the same-origin policy...

GHSA-5J35-XR4G-VWF4 @grackle-ai/server has a Missing Secure Flag on Session Cookie

Impact The session cookie is set with HttpOnly; SameSite=Lax; Path=/ but does not include the Secure flag. This means the cookie will be sent over plain HTTP connections. Since the server binds to 127.0.0.1 by default and uses HTTP not HTTPS, this is acceptable for localhost use. However, when...

SUSE CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

A flaw was found in NLTK Natural Language Toolkit, a suite of open source Python modules for Natural Language Processing. The nltk.app.wordnetapp component contains a reflected cross-site scripting XSS vulnerability. A remote attacker can exploit this by crafting a malicious URL that injects...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230 nltk Vulnerable to Cross-site Scripting

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230 nltk Vulnerable to Cross-site Scripting

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in nltk

Summary nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted lookup URL can inject arbitrary HTML/JavaScript into the response page because attacker-controlled word data is reflected into HTML without escaping. This impacts users running the local...

CVE-2025-68467

Dark Reader CVE-2025-68467 describes a vulnerability where pre-4.9.117 builds could be used to request a style sheet from a local web server (e.g., http://localhost:8080/style.css) via cross-origin requests. The issue involved cross-origin CSS files being parsed or stored in Session Storage, enab...

GHSA-X369-MCW8-8RVJ Dark Reader gives users the ability to request style sheets from local web servers

Description Dark Reader versions prior to 4.9.117 included a behavior where a website could request a style sheet from a locally running web server, for example http://localhost:8080/style.css, If an address was available and returned a text/css content type. Patches The problem was fixed in...