Best Vulnerability Scanning Tools in 2026
Toolradar data: we track 18 vulnerability scanning tools, 10 of them with a free tier (56%), and 10 entered our catalog during 2026. 13 clear our editorial bar.
Toolradar data: we track 18 vulnerability scanning tools, 10 of them with a free tier (56%), and 10 entered our catalog during 2026. 13 clear our editorial bar.
This guide covers the 12 that score highest, what separates them, and where each free tier stops. Scores are ours; ratings and review counts come from third-party review platforms.
Quick comparison
| Tool | Free tier | Rating | What it does |
|---|---|---|---|
| CloudSploit | No | 5 | Gain a complete and prioritized view of your cloud security ri |
| Wazuh | Yes | 4.5 | Open-source security monitoring |
| Nessus | No | 4.6 | Vulnerability assessment scanner |
| Malwarebytes | Yes | 4.7 | Cybersecurity and malware protection |
| Qualys | No | 4.1 | Cloud security and compliance platform |
| Amazon CodeWhisperer | Yes | 4.2 | AI coding companion from AWS for faster development |
| Sophos | No | 4.6 | Unified enterprise security for midsize businesses |
| Clair | Yes | 4.4 | Static vulnerability analysis for containers |
| ESET | No | 4.6 | Cybersecurity solutions for businesses and consumers |
| Orca Security | No | 4.7 | Industry-leading cloud security solution for multi-cloud envir |
The picks
CloudSploit
Gain a complete and prioritized view of your cloud security ri. Editorial score 87, paid only, rated 5 across 2 third-party reviews.
Full profile, pricing and alternatives
Wazuh
Open-source security monitoring. Editorial score 86, free tier available, rated 4.5 across 63 third-party reviews.
Full profile, pricing and alternatives
Nessus
Vulnerability assessment scanner. Editorial score 84, paid only, rated 4.6 across 380 third-party reviews.
Full profile, pricing and alternatives
Malwarebytes
Cybersecurity and malware protection. Editorial score 82, free tier available, rated 4.7 across 3622 third-party reviews.
Full profile, pricing and alternatives
Qualys
Cloud security and compliance platform. Editorial score 82, paid only, rated 4.1 across 90 third-party reviews.
Full profile, pricing and alternatives
Amazon CodeWhisperer
AI coding companion from AWS for faster development. Editorial score 82, free tier available, rated 4.2 across 35 third-party reviews.
Full profile, pricing and alternatives
Sophos
Unified enterprise security for midsize businesses. Editorial score 80, paid only, rated 4.6 across 2356 third-party reviews.
Full profile, pricing and alternatives
Clair
Static vulnerability analysis for containers. Editorial score 80, free tier available, rated 4.4 across 86 third-party reviews.
Full profile, pricing and alternatives
How we picked
Every tool here is published on Toolradar with an editorial score of 74 or above, out of 18 tracked in this category. Ordering follows that score, then third-party review volume, so a tool with one glowing review does not outrank one with a thousand. The figures update as the catalog does.
FAQ
How many vulnerability scanning tools are there?
We track 18 published vulnerability scanning tools, of which 13 clear our editorial bar. 10 were added during 2026, which reflects when we indexed them rather than when each vendor launched.
Are there free vulnerability scanning tools?
Fewer than you might expect: 10 of 18 offer a free tier, 56%. This is a category where the serious options are paid, and free tiers are trials in practice.
How should I shortlist?
Start from the constraint that will not move: budget, an existing stack you must integrate with, or a compliance requirement. Filter on that first, then compare the two or three that survive. Ranking by feature count leads to the most expensive tool every time.
Related on Toolradar
From the team behind Toolradar
Show up when someone asks ChatGPT
ChatGPT, Claude, and Perplexity already retrieve Toolradar. We run the content and the 6 newsletters that keep you in those answers.
See how we work
Written by
Louis Corneloup
Founder & Editor-in-Chief at Toolradar. Founder & CEO of Dupple, the publisher of 5 industry newsletters reaching 720K+ tech professionals. Reviews B2B software using a public methodology, see /how-we-rate and /editorial-policy.