HighVulnerabilityLLM-specific

CVE-2025-59944: Cursor IDE case-sensitive file protection bypass allowing code execution

Source: NVD(opens in a new tab)
Identifier: CVE-2025-59944
Published: October 3, 2025
Record updated: November 3, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.5%

Summary

CVE-2025-59944 affects Cursor, an AI-assisted code editor, in versions 1.6.23 and below. Its protection for sensitive files such as */.cursor/mcp.json uses case-sensitive checks, so on case-insensitive filesystems an attacker can use prompt injection to modify those files and achieve remote code execution. The source classifies the weakness as CWE-178, Improper Handling of Case Sensitivity.

Mitigation

This issue is fixed in version 1.7.

Details

Scores and exploitation

CVSS score: 8(high)
EPSS: 0.5%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-178
AI threat technique (MITRE ATLAS): AML.T0051

Classification

Attack type: Prompt injection
Attack sophistication: Moderate
AI component targeted: Plugin
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-59944

First tracked: February 15, 2026 at 08:52 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 95% (self-assessed)

Coverage

News, research and other items that mention CVE-2025-59944.

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

Summary

Mitigation

Coverage

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