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

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

Read the vendor bulletin Get alerts for NetScaler ADC and NetScaler Gateway
9.3CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • 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

Versions the vendor lists as fixed

  • 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
Next step

What the vendor recommends

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

Review the complete instructions on the vendor's site
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.
Timeline

When this advisory changed

  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.

Vulnerabilities

CVEs named in this advisory

CVE-2026-19489View CVSS, KEV, EPSS, and threat contextCVE-2026-19490View CVSS, KEV, EPSS, and threat context
Keep investigating
See every advisory from this vendor