CVE-2026-41227
7.5 · HIGHOverview
CVE-2026-41227 is a high-severity vulnerability affecting f5 big-ip_advanced_web_application_firewall. It was published on May 13, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Remediation
Check the references section for vendor advisories and patches from f5. Update big-ip_advanced_web_application_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| f5 | big-ip_advanced_web_application_firewall | 17.1.0 | Affected |
| f5 | big-ip_application_security_manager | 17.1.0 | Affected |
| f5 | big-ip_ddos_hybrid_defender | 17.1.0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-41227?
CVE-2026-41227 is a high-severity vulnerability affecting f5 big-ip_advanced_web_application_firewall. It was published on May 13, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-41227?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-41227?
Check the references section for vendor advisories and patches from f5. Update big-ip_advanced_web_application_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-41227?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-41227 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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