CVE-2025-54130: Cursor writes in-workspace files without user approval

Summary

Cursor, an AI-assisted code editor, allows in-workspace file writes without user approval in versions less than 1.3.9. Creating a new dotfile does not require approval, even though editing an existing one does. If files such as .vscode/settings.json do not already exist, an attacker can chain an indirect prompt injection to hijack the context, write the settings file, and trigger RCE on the victim without approval.

Mitigation

Fixed in version 1.3.9.

Coverage

News, research and other items that mention CVE-2025-54130.

• Cursor security: top 10 attacks and what each one actually brokeAdversa AI Blog · 2026-11-03

Topics

• Prompt injection and jailbreaks

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