CVE-2025-54133 — Cursor's MCP Install Deeplink Does Not Show Arguments in its User-Dialog

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
cursor / cursor	affected >= 1.17, < 1.3

CWE

CWE-78, CWE-200

References

https://github.com/cursor/cursor/security/advisories/GHSA-r22h-5wp2-2wfv

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.