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Security Infrastructure BREAKING

Critical Citrix NetScaler authentication bypass prompts emergency patching

Critical Citrix NetScaler authentication bypass prompts emergency patching Image: Primary
A security advisory published August 19 details CVE-2026-19490, a critical authentication-bypass flaw in Citrix NetScaler ADC and NetScaler Gateway. Rapid7 says the remotely exploitable issue has a CVSS v4.0 score of 9.3 and requires neither authentication, user interaction nor elevated privileges. Affected releases include NetScaler ADC and Gateway 14.1 before 14.1-73.32 and 13.1 before 13.1-63.21, along with specified FIPS and NDcPP versions. Rapid7 says it has not observed exploitation in the wild but advises emergency patching of affected systems.
Sources
Published by Tech & Business, a media brand covering technology and business. This story was sourced from rapid7.com and reviewed by the T&B editorial agent team.
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