CVE-2026-58500

CVE-2026-58500について、MCP Appium のcreateLocatorGeneratorUI が、バージョン1.85.10以前で、攻撃者が制御する要素属性（テキスト、content-desc、resource-id、ロケータ選択子）をHTMLテンプレートリテラルに直接埋め込み、HTML/JavaScript文脈のエスケープを行わないことが根本原因の未エスケープデータXSS を引き起こすコントリビューションです。被害者が対象アプリのUIをレンダリングすると、埋め込まれたスクリプトが実行され、window.parent.postMessageを介して任意のMCPツールの実行...

CVE-2026-58500 MCP Appium: Unescaped Locator Data XSS in MCP-UI Resource (createLocatorGeneratorUI)

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes — text, content-desc, resource-id, and locator selector...

CVE-2026-58500

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes — text, content-desc, resource-id, and locator selector...

CVE-2026-58500 MCP Appium: Unescaped Locator Data XSS in MCP-UI Resource (createLocatorGeneratorUI)

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes — text, content-desc, resource-id, and locator selector...

CVE-2026-61462

mcp-gitlab contains a path traversal vulnerability in the jobid parameter of build/index.js that allows attackers to redirect GitLab API requests to arbitrary endpoints. Attackers can supply crafted jobid values like ../../../user to escape the intended path prefix and access arbitrary GitLab API...

CVE-2026-61462 mcp-gitlab Path Traversal via job_id Parameter

mcp-gitlab contains a path traversal vulnerability in the jobid parameter of build/index.js that allows attackers to redirect GitLab API requests to arbitrary endpoints. Attackers can supply crafted jobid values like ../../../user to escape the intended path prefix and access arbitrary GitLab API...

CVE-2026-61462

CVE-2026-61462 affects mcp-gitlab. A path traversal weakness exists in the build/index.js job_id parameter, allowing an attacker to escape the intended path prefix (e.g., using ../../../user) and redirect GitLab API requests to arbitrary endpoints. This can enable access to arbitrary GitLab API r...

CVE-2026-61462 mcp-gitlab Path Traversal via job_id Parameter

mcp-gitlab contains a path traversal vulnerability in the jobid parameter of build/index.js that allows attackers to redirect GitLab API requests to arbitrary endpoints. Attackers can supply crafted jobid values like ../../../user to escape the intended path prefix and access arbitrary GitLab API...

CVE-2026-61462 mcp-gitlab Path Traversal via job_id Parameter

mcp-gitlab contains a path traversal vulnerability in the jobid parameter of build/index.js that allows attackers to redirect GitLab API requests to arbitrary endpoints. Attackers can supply crafted jobid values like ../../../user to escape the intended path prefix and access arbitrary GitLab API...

PYSEC-2026-2482 flyto-core has Unauthenticated Command Execution via HTTP MCP `execute_module`

Unauthenticated Command Execution via HTTP MCP executemodule Summary The HTTP MCP endpoint POST /mcp in flyto-core accepts unauthenticated JSON-RPC tools/call requests and dispatches them to arbitrary registered modules, including sandbox.executeshell, which passes attacker-controlled input...

PYSEC-2026-2676 Cortex has Untrusted Project Bootstrap Code Execution via `CLAUDE_PROJECT_DIR`

Untrusted Project Bootstrap Code Execution via CLAUDEPROJECTDIR Summary The Cortex MCP server neuro-cortex-memory treats the CLAUDEPROJECTDIR environment variable — automatically set by Claude Code to the currently open project directory — as a trusted Cortex developer checkout. When the...

PYSEC-2026-2622 mcp-memory-service: OAuth read-only clients can write and delete memories through MCP tools/call

Summary The HTTP MCP JSON-RPC endpoint at /mcp requires only OAuth read scope for all requests, then dispatches tools/call directly to handlers that include mutating tools. A read-only OAuth client can call storememory and deletememory through MCP even though the corresponding REST endpoints...

PYSEC-2026-2421 Code Index MCP is vulnerable to Uncontrolled Resource Consumption

A weakness has been identified in johnhuang316 code-index-mcp up to 2.14.0. Affected is the function issaferegexpattern of the component searchcodeadvanced. Executing a manipulation of the argument regex can lead to inefficient regular expression complexity. It is possible to launch the attack...

PYSEC-2026-3425 Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS

HTTP transports expose unauthenticated PowerShell control with wildcard CORS There is an issue in the SSE and Streamable HTTP transport modes. The default stdio mode is not affected, but the documented HTTP modes expose the MCP control plane without authentication and add wildcard CORS handling...

PYSEC-2026-2441 dbt MCP Server Logs Tool Arguments Including SQL Queries and Credentials in Plaintext Without Redaction When File Logging Is Enabled

Discovered through manual source code review. Verified by PoC execution against a local dbt-mcp v1.15.1 installation. Summary DbtMCP.calltool in src/dbtmcp/mcp/server.py logs the complete raw arguments dictionary at INFO level on every tool invocation line 67 and again at ERROR level if the call...

PYSEC-2026-2444 dbt MCP Server has an Argument Injection in dbt CLI Tool Wrappers via node_selection and resource_type Parameters

Discovered through manual source code review. Verified by PoC execution against a local dbt-mcp v1.15.1 installation. Summary rundbtcommand in src/dbtmcp/dbtcli/tools.py constructs the dbt subprocess argument list by appending user-supplied MCP tool parameters without sanitization. Two independen...

PYSEC-2026-2442 dbt MCP Server Transmits All MCP Tool Arguments Including Raw SQL and --vars Credentials to dbt Labs Telemetry by Default Without Redaction

Discovered through manual source code review. Verified by PoC execution against a local dbt-mcp v1.15.1 installation. Summary DefaultUsageTracker.emittoolcalledevent in src/dbtmcp/tracking/tracking.py serializes the complete arguments dictionary of every MCP tool call and transmits it verbatim to...

PYSEC-2026-3426 wireshark-mcp vulnerable to arbitrary file write via export_objects when WIRESHARK_MCP_ALLOWED_DIRS is not configured

Description Impact wireshark-mcp exposes a wiresharkexportobjects MCP tool that accepts an attacker-controlled destdir parameter and passes it to tshark's --export-objects flag with no mandatory path restriction. The path sandbox alloweddirs is None by default and only activates when the...

PYSEC-2026-2386 auto-favicon has a Server-Side Request Forgery issue

A vulnerability was found in dh1011 auto-favicon up to f189116a9259950c2393f114dbcb94dde0ad864b. This issue affects the function generatefaviconfromurl of the file src/autofavicon/server.py of the component MCP Tool. The manipulation of the argument imageurl results in server-side request forgery...

PYSEC-2026-2653 mkdocs-mcp-plugin has a Path Traversal issue

A vulnerability was found in douinc mkdocs-mcp-plugin up to 0.4.1. This affects the function readdocument/listdocuments of the file server.py. Performing a manipulation of the argument docsdir/filepath results in path traversal. The attack is possible to be carried out remotely. The exploit has...