Exploitation of vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway

2026-09-28T20:52:08Z•4a7af24db4e7f5a94487414bc3a012febc2919b379194eeb7c04e6d5dd07a6f1
Citrix NetScaler ADCCitrix NetScaler GatewayUK NCSCactive exploitationedge devicesexploited vulnerabilitiesinternet-facing systemsvulnerability mitigation

What happened

The UK National Cyber Security Centre is urging organisations to promptly mitigate vulnerabilities affecting Citrix NetScaler ADC and Citrix NetScaler Gateway, noting that two of the vulnerabilities are being actively exploited. Internet-facing Citrix appliances should be prioritised for patching, exposure reduction, and compromise assessment.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
uk_ncsc_all_rss
Record identifier
4a7af24db4e7f5a94487414bc3a012febc2919b379194eeb7c04e6d5dd07a6f1
Enrichment time
2026-09-28T20:52:08Z
AI-assisted enrichment
Yes

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