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Confirmed

Citrix security advisory (AV26-1023)

Our takeCCCS updated its Citrix advisory (AV26-1023) on flaws in NetScaler ADC and Gateway before 13.1-64.29 and 14.1-73.46. Update if you run them.Cyber Resilience desk
Sources (2)
What this means for you — Security leader:Update NetScaler ADC, Gateway, and FIPS builds before the listed versions (13.1-64.29, 14.1-73.46, and associated FIPS/NDcPP releases).
What this means for you — Lean IT orgs:If you run Citrix NetScaler ADC or Gateway on-prem, update to 13.1-64.29 or 14.1-73.46 (or newer) as soon as you can.
What this means for you — MSP:Check every client running on-prem NetScaler ADC, Gateway, or FIPS builds; patch to 13.1-64.29 / 14.1-73.46 or newer before the October 13 advisory window closes.
What this means for you — Researcher:CCCS published two October 2026 Citrix advisories (AV26-1023 and AV26-1034) covering NetScaler ADC/Gateway, FIPS variants, UniconOS, and XenServer; review and patch the affected versions.