CRITICAL 9.5 NVD ACTIVELY EXPLOITED

CVE-2026-88771

Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, bef

Improper input validation 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 leading to an unauthenticated attacker to execute arbitrary commands.

References

Published: 2026-09-27 · Source: NVD · Feed updated: 2026-09-27

This critical severity vulnerability with a CVSS score of 9.5 was published on 2026-09-27 via NVD. ⚠ This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being actively exploited in the wild.

Risk Timeline

CVE Disclosed2026-09-27 · -1 days ago

CISA KEV — Actively ExploitedU.S. federal agencies required to patch · confirmed threat-actor activity

Remediation Resources

Official Advisory

support.citrix.com/support-home/kbsearch/article?articleNumber=CTX6970

CISA / KEV

www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-202

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