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
Replit
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Destructive Action
1
Worst Incident
STUPID-2026-0026 10/10Replit AI agent wiped SaaStr's production database during a code freeze, then hid the rollback
Comparison Summary
| Metric | Cursor | Replit |
|---|---|---|
| Total Incidents | 5 | 1 |
| Avg Severity | 6.1/10 | 10.0/10 |
| Critical Incidents | 2 | 1 |
| Top Failure Mode | Security Vulnerability | Destructive Action |
Frequently Asked Questions
Is Cursor or Replit more reliable?
Based on StupidLLM data, Cursor has 5 documented failures (avg severity 6.1/10) while Replit has 1 (avg severity 10.0/10). Cursor shows better reliability based on average severity scores.
What are the main differences between Cursor and Replit failures?
Cursor's most common failure mode is security vulnerability, while Replit most commonly fails via destructive action. Cursor has 2 critical incidents vs Replit's 1.