Scanner deep-dive
Snyk Code by Snyk ↗
Rule-Based SAST · pattern+flow · scored on 25/66 Python repositories. Strict scoring (unfinished repos counted as misses).
6.9
F3 (strict)
7.6
F2 (strict)
6.4%
Recall (strict)
30.2%
Precision
25/66
Repos scored
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Model
Free
Total cost
—
Avg latency
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Per-repository breakdown
Each bar shows true positives, false positives, and misses on one repository; bar length is proportional to that repo's labeled vulnerabilities. Ranked by F2.
| Repository | TP | FP | FN | Recall % | F2 |
|---|---|---|---|---|---|
| insecure-web | 5 | 1 | 4 | 55.6 | 59.5 |
| intentionally-vulnerable-python-application | 4 | 3 | 3 | 57.1 | 57.1 |
| pythonssti | 1 | 1 | 1 | 50.0 | 50.0 |
| pygoat | 31 | 65 | 47 | 39.7 | 38.0 |
| dvblab | 8 | 10 | 14 | 36.4 | 37.7 |
| lets-be-bad-guys | 8 | 2 | 16 | 33.3 | 37.7 |
| damn-vulnerable-flask-application | 4 | 2 | 10 | 28.6 | 32.3 |
| dsvw | 7 | 6 | 20 | 25.9 | 28.9 |
| vulnerable-flask-app | 5 | 8 | 16 | 23.8 | 25.8 |
| djangoat | 10 | 16 | 42 | 19.2 | 21.4 |
| extremely-vulnerable-flask-app | 5 | 3 | 27 | 15.6 | 18.4 |
| vulnerable-api | 2 | 1 | 12 | 14.3 | 16.9 |
| python-insecure-app | 1 | 2 | 7 | 12.5 | 14.3 |
| vulpy | 7 | 13 | 50 | 12.3 | 14.1 |
| threatbyte | 3 | 5 | 23 | 11.5 | 13.4 |
| vfapi | 1 | 3 | 8 | 11.1 | 12.5 |
| vulnpy | 8 | 3 | 72 | 10.0 | 12.1 |
| dsvpwa | 3 | 4 | 29 | 9.4 | 11.1 |
| vulnerable-python-apps | 2 | 9 | 20 | 9.1 | 10.1 |
| owasp-web-playground | 4 | 114 | 24 | 14.3 | 8.7 |
| dvpwa | 1 | 0 | 22 | 4.3 | 5.4 |
| flask-xss | 1 | 1 | 29 | 3.3 | 4.1 |
| damn-vulnerable-graphql-application | 0 | 5 | 36 | 0.0 | 0.0 |
| vampi | 0 | 3 | 15 | 0.0 | 0.0 |
| vulnerable-tornado-app | 0 | 0 | 14 | 0.0 | 0.0 |
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Detection by severity
| Severity | TP | FP | FN | Recall % |
|---|---|---|---|---|
| Critical | 30 | 0 | 53 | 36.1 |
| High | 40 | 3 | 217 | 15.6 |
| Medium | 47 | 1 | 228 | 17.1 |
| Low | 4 | 0 | 63 | 6.0 |
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Detection by vulnerability class
| CWE family | TP | FP | FN | Recall % |
|---|---|---|---|---|
| Code Injection / RFI | 9 | 0 | 5 | 64.3 |
| Insecure Deserialization | 9 | 0 | 8 | 52.9 |
| Open Redirect | 3 | 0 | 3 | 50.0 |
| XML External Entities | 3 | 2 | 4 | 42.9 |
| SQL Injection | 14 | 0 | 32 | 30.4 |
| Security Misconfiguration | 10 | 0 | 24 | 29.4 |
| Command / OS Injection | 4 | 1 | 13 | 23.5 |
| Cross-Site Scripting | 19 | 0 | 62 | 23.5 |
| Hardcoded Credentials | 13 | 1 | 46 | 22.0 |
| Path Traversal | 5 | 0 | 19 | 20.8 |
| Other | 29 | 0 | 172 | 14.4 |
| Server-Side Request Forgery | 3 | 0 | 21 | 12.5 |
| Missing Authentication / Authorization | 0 | 0 | 46 | 0.0 |
| Broken Access Control / IDOR | 0 | 0 | 24 | 0.0 |
| Denial of Service | 0 | 0 | 20 | 0.0 |
| Sensitive Data Exposure | 0 | 0 | 56 | 0.0 |
| HTTP Header Injection | 0 | 0 | 2 | 0.0 |
| XPath Injection | 0 | 0 | 4 | 0.0 |
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Cost
Free
Total cost
0
Lines of code scanned
0
Successful runs