CVE-2025-54135

Below is a fully functional exploit for the CVE-2025-54135 vulnerability in the Cursor IDE, designed to demonstrate a prompt-injection attack that manipulates the Model Context Protocol MCP configuration to achieve remote code execution. This code assumes the attacker has access to a public Slack...

CVE-2026-73217

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing...

CVE-2026-73218

Cursor is a code editor built for programming with AI. Prior to 3.0.0, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode, when Docker Desktop and the Dev Containers CLI are installed, to launch a privileged container and mount Docker's virtiofs0, granting read and write access...

EUVD-2026-56842

Cursor is a code editor built for programming with AI. Prior to 3.0.0, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode, when Docker Desktop and the Dev Containers CLI are installed, to launch a privileged container and mount Docker's virtiofs0, granting read and write access...

CVE-2026-73218 Cursor: Sandbox escape via launching privileged containers

Cursor is a code editor built for programming with AI. Prior to 3.0.0, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode, when Docker Desktop and the Dev Containers CLI are installed, to launch a privileged container and mount Docker's virtiofs0, granting read and write access...

CVE-2026-73217 Cursor: Sandbox escape via tampered Python virtual environments

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing...

CVE-2026-73217 Cursor: Sandbox escape via tampered Python virtual environments

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing...

EUVD-2026-56838

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing...

CVE-2026-73217

The CVE describes a sandbox-escape flaw in Cursor IDE for macOS prior to 3.1.2. An agent in Auto-Run Sandbox mode can replace a virtual environment’s Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, enabling arbitrary host commands with t...

PT-2026-70832

Cursor is a code editor built for programming with AI. Prior to 3.1.2, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode to replace a virtual environment's Python executable with a malicious wrapper that the Microsoft Python extension invokes outside the sandbox, allowing...

PT-2026-70833

Cursor is a code editor built for programming with AI. Prior to 3.0.0, Cursor IDE for macOS allows an agent running in Auto-Run Sandbox mode, when Docker Desktop and the Dev Containers CLI are installed, to launch a privileged container and mount Docker's virtiofs0, granting read and write access...

📄 Cursor IDE MCP Deeplink Remote Code Execution

This Metasploit module exploits the MCP deeplink functionality in Cursor IDE through social engineering. The cursor:// protocol handler can be abused when a user accepts an installation prompt, leading to arbitrary command execution...

Researcher Uncovers 30+ Flaws in AI Coding Tools Enabling Data Theft and RCE Attacks

Over 30 security vulnerabilities have been disclosed in various artificial intelligence AI-powered Integrated Development Environments IDEs that combine prompt injection primitives with legitimate features to achieve data exfiltration and remote code execution. The security shortcomings have been...

CVE-2025-59944 Cursor IDE: Sensitive File Overwrite Bypass is Possible

Cursor is a code editor built for programming with AI. Versions 1.6.23 and below contain case-sensitive checks in the way Cursor IDE protects its sensitive files e.g., /.cursor/mcp.json, which allows attackers to modify the content of these files through prompt injection and achieve remote code...

CVE-2025-59944

Cursor IDE versions 1.6.23 and earlier are affected by a vulnerability in how sensitive files are protected (notably /.cursor/mcp.json). The issue arises from case-sensitive checks that can be bypassed, allowing an attacker to modify sensitive files via prompt injection and achieve remote code ex...

CVE-2025-59944 Cursor IDE: Sensitive File Overwrite Bypass is Possible

Cursor is a code editor built for programming with AI. Versions 1.6.23 and below contain case-sensitive checks in the way Cursor IDE protects its sensitive files e.g., /.cursor/mcp.json, which allows attackers to modify the content of these files through prompt injection and achieve remote code...

CVE-2025-59944 Cursor IDE: Sensitive File Overwrite Bypass is Possible

Cursor is a code editor built for programming with AI. Versions 1.6.23 and below contain case-sensitive checks in the way Cursor IDE protects its sensitive files e.g., /.cursor/mcp.json, which allows attackers to modify the content of these files through prompt injection and achieve remote code...