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Citrix Urges Immediate Patching of Critical NetScaler Vulnerability

SecurityWeek
· October 9, 2026
Vulnerabilities

AI summary

Citrix is advising users to patch a critical vulnerability in NetScaler immediately. The vulnerability, identified as CVE-2026-107406, poses a risk of remote code execution or denial-of-service. This security defect could have significant consequences if exploited. Citrix's urgent warning suggests the vulnerability is a high priority for remediation. The company's prompt action indicates the severity of the potential impact. Users are encouraged to take action to protect against potential attacks.

Vulnerabilities mentioned

CVE-2026-107406
UNKNOWN

Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC. NetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:   * For the following versions: Applicable only when configured as a SAML IdP: * NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive * NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive * NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive * NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive   For the following versions: Applicable only when configured as a SAML SP or SAML IdP: * NetScaler ADC and NetScaler Gateway before 14.1-73.37  * NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS  * NetScaler ADC and NetScaler Gateway before 13.1-64.23 * NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279

Read the full article at SecurityWeekwww.securityweek.com/citrix-urges-immediate-patching-of-critical-netscaler-vulnerability/

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