CVE-2025-54133 – Cursor Model Context Protocol (MCP) UI Information Disclosure Vulnerability

CVE ID : CVE-2025-54133

Published : Aug. 2, 2025, 12:15 a.m. | 1 hour, 22 minutes ago

Description : Cursor is a code editor built for programming with AI. In versions 1.17 through 1.2, there is a UI information disclosure vulnerability in Cursor’s MCP (Model Context Protocol) deeplink handler, allowing attackers to execute 2-click arbitrary system commands through social engineering attacks. When users click malicious `cursor://anysphere.cursor-deeplink/mcp/install` links, the installation dialog does not show the arguments being passed to the command being run. If a user clicks a malicious deeplink, then examines the installation dialog and clicks through, the full command including the arguments will be executed on the machine. This is fixed in version 1.3.

Severity: 0.0 | NA

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