CVE-2026-88779
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.
Actively exploited
- In the CISA exploited-vulnerabilities catalogue since Oct 4, 2026
- US federal agencies must remediate it by Oct 7, 2026 (BOD 22-01)
- Attacked on the day of disclosure
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Source: CISA KEV · Oct 4, 2026
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HAffected products
| Vendors | Product | Versions |
|---|---|---|
| citrix | netscaler application delivery controller | < 13.1-37.282 |
| citrix | netscaler gateway | < 13.1-64.28 |
Related articles
This product uses the NVD API but is not endorsed or certified by the NVD.