CVE-2026-40060: BIG-IP Advanced WAF and ASM vulnerability

Published May 13, 2026
·
Updated

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

10 affected components
F5 Networks BIG-IP Advanced WAF
F5 Networks BIG-IP ASM
F5 BIG-IP Application Security Manager>=16.1.0<=16.1.6
F5 BIG-IP Application Security Manager>=17.1.0<=17.1.3
F5 BIG-IP Application Security Manager>=17.5.0<=17.5.1
F5 BIG-IP Application Security Manager=21.0.0
F5 Big-ip Advanced Web Application Firewall>=16.1.0<=16.1.6
F5 Big-ip Advanced Web Application Firewall>=17.1.0<=17.1.3
F5 Big-ip Advanced Web Application Firewall>=17.5.0<=17.5.1
F5 Big-ip Advanced Web Application Firewall=21.0.0

Event History

May 13, 2026
CVE Published
via MITRE·02:12 PM
Data Sourced
via MITRE·02:12 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-40060?

CVE-2026-40060 has a high severity score of 8.7.

2

How do I fix CVE-2026-40060?

To mitigate CVE-2026-40060, ensure you are using a software version of F5 BIG-IP that is still in technical support and apply the necessary patches or updates provided by F5.

3

What does CVE-2026-40060 affect?

CVE-2026-40060 affects the F5 BIG-IP Application Security Manager and F5 BIG-IP Advanced Web Application Firewall when specific security policies are configured.

4

What are the risks associated with CVE-2026-40060?

The primary risk associated with CVE-2026-40060 is the potential termination of the bd process, leading to disruptions in security services.

5

Is the software version relevant for CVE-2026-40060?

Yes, only software versions that are still within their technical support phase are evaluated for CVE-2026-40060.

Contact

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