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
Slack Ai
1
Incidents
10.0
Avg Severity
1
Critical
0
High
Top Failure Modes
Security Vulnerability
1
Worst Incident
STUPID-2026-0053 10/10Slack AI could be tricked into leaking private-channel data via indirect prompt injection
Comparison Summary
| Metric | Cursor | Slack Ai |
|---|---|---|
| Total Incidents | 5 | 1 |
| Avg Severity | 6.1/10 | 10.0/10 |
| Critical Incidents | 2 | 1 |
| Top Failure Mode | Security Vulnerability | Security Vulnerability |
Frequently Asked Questions
Is Cursor or Slack Ai more reliable?
Based on StupidLLM data, Cursor has 5 documented failures (avg severity 6.1/10) while Slack Ai has 1 (avg severity 10.0/10). Cursor shows better reliability based on average severity scores.
What are the main differences between Cursor and Slack Ai failures?
Cursor's most common failure mode is security vulnerability, while Slack Ai most commonly fails via security vulnerability. Cursor has 2 critical incidents vs Slack Ai's 1.