
Editorial ranking names Nessus the top vulnerability scanner for 2026
The research-based list scores Nessus, Qualys and InsightVM highest, and credits Nuclei with turning new CVEs into checks within hours.
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The research-based list scores Nessus, Qualys and InsightVM highest, and credits Nuclei with turning new CVEs into checks within hours.

The editorial verdict treats Nessus as the reference scanner and Nuclei as the fastest path from a new CVE to a check.

GreyNoise saw exploitation attempts against Hikvision CVE-2021-36260 aimed at Ukraine, without confirmed device takeovers.

Unauthenticated Atlassian Data Center flaw CVE-2026-21589 saw exploitation attempts within two hours.

GreyNoise recorded a nine-day surge of CVE-2021-36260 exploitation attempts against Hikvision devices in Ukraine.

Insikt Group catalogs 73 high-impact August 2026 CVEs (43 Very Critical), including PaperCut, Zimbra, and Metabase flaws actively exploited or weaponized.

Recorded Future launched Automated Signature Creation in ASI, turning new CVEs into deployable detection signatures in as little as 31 minutes.
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