Best Network Vulnerability Scanners in 2026
Updated
In short: Intruder is ranked #1 of 15 as of 3 October 2026, ahead of OpenVAS and ManageEngine Vulnerability Manager Plus. The best-ranked option with a free plan is OpenVAS. The lowest first paid tier on this page is NSAuditor AI at $3.25/mo.
15 network vulnerability scanners ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Deployment | |
|---|---|---|---|---|---|---|---|---|
| 1 | Intruder | 8.8 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 2 | OpenVAS | 8.7 | RecognisedAPIDocumented | €210.33/mo | Yes | — | — | View |
| 3 | ManageEngine Vulnerability Manager Plus | 8.6 | RecognisedAPIDocumented | $57.92/mo | Yes | 695 /yr | — | View |
| 4 |  OPENVAS SCAN | 7.1 | RecognisedAPIDocumented | — | No | — | on-premises | View |
| 5 | ScanTitan | 6.7 | RecognisedAPIDocumented | $9.92/mo | Yes | 119 /yr | hybrid | View |
| 6 | NSAuditor AI | 6.6 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 7 |  OUTSCAN | 6.4 | RecognisedAPIDocumented | — | — | — | cloud | View |
| 8 |  Qualys Scanner Appliance | 6.4 | RecognisedAPIDocumented | — | — | — | hybrid | View |
| 9 | CloneGuard Vulnerability Assessment | 6.1 | RecognisedAPIDocumented | $49.58/mo | No | 595 /yr | hybrid | View |
| 10 |  NSAuditor AI | 6.0 | RecognisedAPIDocumented | $3.25/mo | Yes | 470 /yr | on-premises | View |
| 11 |  Tripwire IP360 | 5.6 | RecognisedAPIDocumented | — | — | — | hybrid | View |
| 12 |  ShadowSecurityScanner | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 13 | Nuclei | 5.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 14 |  Nipper OmniSight | 5.0 | RecognisedAPIDocumented | — | — | — | on-premises | View |
| 15 |  Nipper InfraSight | 4.8 | RecognisedAPIDocumented | — | No | 1,995 /yr | on-premises | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which network vulnerability scanner is ranked first on Inferse?
Intruder is ranked #1 of 15 with a score of 8.8. OpenVAS is second and ManageEngine Vulnerability Manager Plus third.
How many of these have a free plan?
4 of the 15 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, NSAuditor AI has the lowest first paid tier we found: $3.25/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.