Security Advisory

CVE-2025-9611

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-07 04:24:13

Last updated 2026-07-14 22:26:10

Assigner VulnCheck

CVSS score 7.2

State PUBLISHED

Description

Microsoft Playwright MCP Server versions prior to 0.0.40 fails to validate the Origin header on incoming connections. This allows an attacker to perform a DNS rebinding attack via a victim’s web browser and send unauthorized requests to a locally running MCP server, resulting in unintended invocation of MCP tool endpoints.

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