Cursor
5
Incidents
6.1
Avg Severity
2
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Destructive Action
1
Infinite Loop
1
Worst Incident
STUPID-2026-0029 10/10Malicious cloned repository triggered code execution in Cursor on Windows
Gemini Cli
3
Incidents
10.0
Avg Severity
3
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Scope Explosion
1
Destructive Action
1
Worst Incident
STUPID-2026-0027 10/10Gemini CLI silently executed arbitrary code from an untrusted repo (CVE-2026-12537, CVSS 10.0)
Comparison Summary
| Metric | Cursor | Gemini Cli |
|---|---|---|
| Total Incidents | 5 | 3 |
| Avg Severity | 6.1/10 | 10.0/10 |
| Critical Incidents | 2 | 3 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Cursor or Gemini Cli more reliable?
Based on StupidLLM data, Cursor has 5 documented failures (avg severity 6.1/10) while Gemini Cli has 3 (avg severity 10.0/10). Cursor shows better reliability based on average severity scores.
What are the main differences between Cursor and Gemini Cli failures?
Cursor's most common failure mode is security vulnerability, while Gemini Cli most commonly fails via security vulnerability. Cursor has 2 critical incidents vs Gemini Cli's 3.