CVE-2026-8451
HIGHCVSS 7.5/10EPSS 0.53%
Last modified
CVE-2026-8451 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
Metrics
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
What is CVE-2026-8451?
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
How severe is CVE-2026-8451?
CVE-2026-8451 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8451?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-8451?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST