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Hackers Exploit Critical Citrix NetScaler RCE Flaw to Deploy Web Shells and Malware
A critical flaw in Citrix NetScaler ADC and NetScaler Gateway is being used to run commands on exposed appliances, install web shells and deliver malware. Tracked as CVE-2026-88771, the vulnerability stems from improper input validation and can allow an unauthenticated attacker to execute commands remotely. Citrix gives it a CVSS 4.0 score of 9.5 and […] The post Hackers Exploit Critical Citrix NetScaler RCE Flaw to Deploy Web Shells and Malware appeared first on Cyber Security News.
A critical flaw in Citrix NetScaler ADC and NetScaler Gateway is being used to run commands on exposed appliances, install web shells and deliver malware. Tracked as CVE-2026-88771, the vulnerability stems from improper input validation and can allow an unauthenticated attacker to execute commands remotely. Citrix gives it a CVSS 4.0 score of 9.5 and says exploitation does not require an optional feature to be enabled. The company has confirmed attacks against unpatched systems.…
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