References to Advisories, Solutions, and Tools

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Known Affected Software Configurations Switch to CPE 2.2

Change History

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

OR
          *cpe:2.3:a:anysphere:cursor:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.9

GitHub, Inc.: https://github.com/cursor/cursor/security/advisories/GHSA-4cxx-hrm3-49rm Types: Mitigation, Vendor Advisory

Cursor is a code editor built for programming with AI. Cursor allows writing in-workspace files with no user approval in versions below 1.3.9, If the file is a dotfile, editing it requires approval but creating a new one doesn't. Hence, if sensitive MCP files, such as the .cursor/mcp.json file don't already exist in the workspace, an attacker can chain a indirect prompt injection vulnerability to hijack the context to write to the settings file and trigger RCE on the victim without user approval. This is fixed in version 1.3.9.

AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE-78

CWE-829

https://github.com/cursor/cursor/security/advisories/GHSA-4cxx-hrm3-49rm