Search threats, CVEs… ⌘K
Back to vendor advisories
Citrix Security BulletinsCTX696939

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19489 and CVE-2026-19490

CriticalVendor CVSS 9.3 / 10 2 CVEs Published Aug 19, 2026 at 9:43 AM UTC
Get alerts for NetScaler ADC and NetScaler Gateway

Summary

The following supported versions of NetScaler ADC and NetScaler Gateway are affected by the vulnerabilities:

Products covered

  • NetScaler ADC and NetScaler Gateway

  • The following supported versions of NetScaler ADC and NetScaler Gateway are affected by the vulnerabilities: NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-73.32 NetScaler ADC and NetScaler Gateway 13.1 BEFORE 13.1-63.21 NetScaler ADC FIPS BEFORE 14.1-73.32 FIPS NetScaler ADC FIPS and NDcPP BEFORE 13.1-37.277

Remediation

Cloud Software Group strongly urges affected customers of NetScaler ADC and NetScaler Gateway to install the relevant updated versions as soon as possible.

Vendor-listed fixes

  • NetScaler ADC and NetScaler Gateway 14.1-73.32 and later releases

  • NetScaler ADC and NetScaler Gateway 13.1-63.21 and later releases of 13.1

  • NetScaler ADC 14.1-FIPS 14.1-73.32 FIPS and later releases of 14.1-FIPS

  • NetScaler ADC 13.1-FIPS and 13.1-NDcPP 13.1-37.277 and later releases of 13.1-FIPS and 13.1-NDcPP

CVEs in this advisory 2

CVE-2026-19489CVE-2026-19490
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added affected products: The following supported versions of NetScaler ADC and NetScaler Gateway are affected by the vulnerabilities: NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-73.32 NetScaler ADC and NetScaler Gateway 13.1 BEFORE....
    • Removed affected products: The following supported versions of NetScaler ADC and NetScaler Gateway are affected by the vulnerabilities: NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-73.32 NetScaler ADC and NetScaler....
    • Added fixed versions: NetScaler ADC and NetScaler Gateway 13.1-63.21 and later releases of 13.1, NetScaler ADC and NetScaler Gateway 14.1-73.32 and later releases.
    • Removed fixed versions: NetScaler ADC and NetScaler Gateway 13.1-63.21 and later releases of 13.1, NetScaler ADC and NetScaler Gateway 14.1-73.32 and later releases.
    • The vendor changed its remediation guidance.

Updates

  1. Published by Citrix

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Keep investigating
See every advisory from this vendor