CVE-2026-19489highCWE-120

CVE-2026-19489: high-severity vulnerability in NetScaler ADC

Published · Updated

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41Vexday Risk Score

No sign of exploitation. It has an official Brazilian government alert and has a public proof of concept.

ssvc Attendcvss 8.8epss 0.4%
from disclosure to weapon65 days
Published on NVDAug 19
1st PoC+65d
Official alert in Brazil

Brazil's federal government published an alert, recommendation or bulletin that cites this vulnerability.

  • CTIR Gov · ALERTA 75/2026 · 26 Aug 2026Vulnerabilidade crítica que afeta os produtos da Cisco e da Citrixread on gov.br ↗
Source: CTIR Gov (GSI) and CISC Gov.br, under the CC BY-ND 3.0 license.
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L
Affected products
NetScaler · ADCNetScaler · Gateway
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — NetScaler ADC

In the same product, most dangerous first.

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