Skip to main content
← All vulnerabilities
CVE-2026-88778

TCP Initial Sequence Number (ISN) prediction

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 14.1-73.37, 13.1-64.23, 14.1-73.37 FIPS, 13.1.37.279 FIPS and NDcPP
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

Predictable exact value from previous values vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • Citrix NetScaler ADC

    fixed in 14.1-73.37; fixed in 13.1-64.23; fixed in 14.1-73.37 FIPS; fixed in 13.1.37.279 FIPS and NDcPP

  • Citrix NetScaler Gateway

    fixed in 14.1-73.37; fixed in 13.1-64.23

References 1

support.citrix.com