What is CVE-2025-59944?

CVE-2025-59944 is a high-severity vulnerability in Cursor, classified under Improper Handling of Case Sensitivity. CVSS score: 8.1/10. Published 2025-10-03.

How severe is CVE-2025-59944?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Cursor

CVE-2025-59944

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 t…

EPSS: 0.003 (48.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Cursor — versions < 1.7

Weakness classification (CWE)

CWE-178 — Improper Handling of Case Sensitivity

References

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

Frequently asked questions

What is CVE-2025-59944?: CVE-2025-59944 is a high-severity vulnerability in Cursor, classified under Improper Handling of Case Sensitivity. CVSS score: 8.1/10. Published 2025-10-03.
How severe is CVE-2025-59944?: High severity. CVSS v3 base score is 8.1 out of 10.