CVE-2026-8452
Last modified
CVE-2026-8452 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.04% chance of exploitation in the next 30 days.
Description
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Netscaler Application Delivery Controller | < 13.1-37.272 |
| Citrix | Netscaler Application Delivery Controller | >= 13.1, < 13.1-63.18 |
| Citrix | Netscaler Application Delivery Controller | >= 14.1, < 14.1-72.61 |
| Citrix | Netscaler Application Delivery Controller | 14.1-66.68 |
| Citrix | Netscaler Gateway | >= 13.1, < 13.1-63.18 |
| Citrix | Netscaler Gateway | >= 14.1, < 14.1-72.61 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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