CVE-2026-8655
Last modified
CVE-2026-8655 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured as an LB of type Oracle OR NetScaler ADC is configured as a DNS Proxy OR NetScaler ADC is configured as a DNS recursive resolver deployment
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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
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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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