CISA Warns of Actively Exploited Citrix NetScaler ADC and Gateway Vulnerability
ID: 62f9da97-5503-52e4-80f5-4f9de79ee157
STIX ID: report--62f9da97-5503-52e4-80f5-4f9de79ee157
Feed Name: GBHackers
Threat Score
CISA added CVE-2026-8452, a CWE-119 memory-buffer vulnerability in Citrix NetScaler ADC and Gateway appliances, to its Known Exploited Vulnerabilities catalog after confirming active exploitation. Federal civilian agencies must apply vendor-recommended mitigations by August 29, 2026; organizations are urged to inventory exposed NetScaler assets, prioritize internet-facing instances, follow Citrix guidance, restrict administrative exposure, and monitor for DoS-like symptoms and abnormal appliance behavior.
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