Skip to content
ThreatCluster

Rogue MCP Servers Exploit Vulnerability in Cursor Code Editor

First seen 17 Nov 2025, 09:55 UTC • •

Article Content

Browse articles
ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Security researchers have identified a vulnerability in Cursor, an AI-powered code editor, that allows rogue Model Context Protocol (MCP) servers to inject malicious code into its internal browser. This exploit can replace legitimate login pages with attacker-controlled pages, compromising user security. The lack of integrity verification in Cursor's features makes it particularly susceptible to such attacks.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 218d ago How this analysis works

More articles in this cluster (2)

Following this threat?

Track XWorm, Cursor and CVE-2025-64446 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed