Colosseum
Reports/fail2ban

fail2ban

Daemon to ban hosts that cause multiple authentication errors

fail2ban17K starsPythonGPL-2.0
Scanned: February 16, 2026
Report Version: 1.0.0

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Overall Grade

B

2,462 total findings

Architecture
A58
Correctness
A8
Performance
D2370
Security
A26

What Traditional Tools Missed

CategoryColosseumBanditSemgrep
Bandit1,231580
Semgrep1,231015
Total2,4625815

2,462 findings (100%) were not detected by Bandit or Semgrep. These include compound vulnerabilities, logic errors, and context-dependent security issues that rule-based scanners aren't designed to catch.

Notable Findings

CriticalPerformance

Potential hotspot: printFormatted has high complexity score (16)

Impact: Potential hotspot: printFormatted has high complexity score (16)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: updatePyExec has high complexity score (13)

Impact: Potential hotspot: updatePyExec has high complexity score (13)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: startServerAsync has high complexity score (35)

Impact: Potential hotspot: startServerAsync has high complexity score (35)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: get_outputs has high complexity score (13)

Impact: Potential hotspot: get_outputs has high complexity score (13)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: startServerDirect has high complexity score (15)

Impact: Potential hotspot: startServerDirect has high complexity score (15)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: update_scripts has high complexity score (28)

Impact: Potential hotspot: update_scripts has high complexity score (28)
Recommended Fix: Review and remediate.
CriticalPerformance

Potential hotspot: printWiki has high complexity score (10)

Impact: Potential hotspot: printWiki has high complexity score (10)
Recommended Fix: Review and remediate.
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Responsible Disclosure

This public report is intended to demonstrate the depth of analysis possible with modern code scanning tools and to help the broader open source community understand common vulnerability patterns.

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