# CVE-2026-88779: A crafted request can knock Citrix NetScaler offline

Status: Being used now (CISA KEV, added 2026-10-04)
Who: Companies using Citrix NetScaler ADC or Gateway.
Do this: Apply Citrix's update for NetScaler.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Citrix NetScaler (CVE-2026-88779) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-88779. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.

## Sources
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174
- https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/
- https://nvd.nist.gov/vuln/detail/CVE-2026-88779
- https://nvd.nist.gov/vuln/detail/CVE-2026-88779

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.