Critical Citrix NetScaler and OpenSSL Flaws Under Active Exploitation
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Recent weeks have seen a surge in critical cybersecurity alerts, with two significant vulnerabilities under active exploitation. Threat actors are leveraging newly discovered flaws in Citrix NetScaler ADC and NetScaler Gateway appliances, alongside a high-severity bug in OpenSSL’s Datagram Transport Layer Security (DTLS) implementation. These vulnerabilities pose substantial risks, ranging from unauthorized root access and malware deployment to sensitive heap memory leaks and program crashes. Organizations worldwide, particularly in North America and Europe, are urged to take immediate action to patch their systems and bolster their defenses.
Citrix NetScaler Vulnerability: CVE-2026-88772 Under Attack
A critical security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances, identified as
Sources
- [1] Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT (feeds.feedburner.com)
- [2] OpenSSL Fixes High-Severity DTLS Flaw That Can Leak Heap Memory Unencrypted (feeds.feedburner.com)
- [3] Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution (feeds.feedburner.com)
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