CVE-2025-54136 is a critical remote code execution vulnerability affecting Cursor code editor versions 1.2.4 and below. Attackers can achieve persistent code execution by manipulating trusted MCP configuration files in shared GitHub repositories or locally, silently swapping benign commands for malicious ones after initial user approval. With a CVSS score of 8.8 (HIGH), this vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.3CPE matchmatch criteria | cpe:2.3:a:anysphere:cursor:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.