Citrix issues critical security updates for its NetScaler devices
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6 Articles
CSO Online
cybernoz.comCitrix issues critical security updates for its NetScaler devices
Citrix is urging its NetScaler ADC and NetScaler Gateway customers to quickly patch two critical security holes, one involving a memory overflow vulnerability leading to unpredictable behavior or denial of service, and the other allowing authentication bypass. Citrix said in an advisory that supported versions of customer-managed NetScaler ADC and NetScaler Gateway, including certain FIPS and NDcPP builds, as well as SecurAccess ZTNA Hybrid (for…
In the world of cybersecurity, vulnerabilities are a constant threat requiring immediate attention. In this article, we'll discuss a critical vulnerability discovered in Citrix's NetScaler. This critical NetScaler vulnerability could bypass authentication on some gateway and AAA servers. Citrix has released updates to address two security vulnerabilities affecting NetScaler ADC and NetScaler Gateway deployments, including a critical authenticati…
Citrix warns customers of two new vulnerabilities in NetScaler Gateway and NetScaler ADC and advises them to secure affected systems immediately. The more serious of the two vulnerabilities, CVE-2026-19490, allows remote attackers to bypass authentication without their own permissions, provided that the respective device is configured as an AAA virtual server or as a gateway for SSL VPN, ICA proxy, CVPN or RDP proxy, depending on the respective …
Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490)
Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging customers to upgrade affected appliances as soon as possible. “We strongly recommend that customers review the official NetScaler ADC and NetScaler Gateway security bulletin, assess whether their deployments are affected, and upgrade impacted appliances to the recommended builds a…
Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers
Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability. According to the cloud computing and virtualization technology company, the issues affect customer-managed NetScaler ADC and NetScaler Gateway, including certain FIPS and NDcPP builds, as well as SecurAccess
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