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Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT

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vulnerabilities

Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT

Unknown threat actors exploited a newly patched Citrix NetScaler ADC and NetScaler Gateway vulnerability to gain root access on appliances throughout September 2026. Mandiant and Google Threat Intelligence observed the activity deploying WHIPSHOT and SLAPSHOT malware, targeting government, financial services, technology, education, and legal and professional organizations in North America and Europe.

Why it matters: Organizations running unpatched NetScaler ADC or Gateway appliances face immediate risk of root compromise and malware deployment; administrators should prioritize patching and scanning for these malware signatures.

VendorsGoogleCitrix
Source published
First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT

Unknown threat actors exploited a newly patched Citrix NetScaler ADC and NetScaler Gateway vulnerability to gain root access on appliances throughout September 2026. Mandiant and Google Threat Intelligence observed the activity deploying WHIPSHOT and SLAPSHOT malware, targeting government, financial services, technology, education, and legal and professional organizations in North America and Europe.

Why it matters: Organizations running unpatched NetScaler ADC or Gateway appliances face immediate risk of root compromise and malware deployment; administrators should prioritize patching and scanning for these malware signatures.

VendorsCitrixGoogle
Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary