Security Alert (A26-05-43): Vulnerability in F5 Products

Description:

F5 has published a security advisory to address a vulnerability in F5 Products. The details about the vulnerability can be found at the following website:
https://my.f5.com/manage/s/article/K000161377

Affected Systems:

• F5 DoS for NGINX versions 4.9.0
• F5 WAF for NGINX versions 5.9.0 - 5.13.0
• NGINX App Protect DoS versions 4.3.0 - 4.7.0
• NGINX App Protect WAF versions 4.10.0 - 4.16.0, 5.2.0 - 5.8.0
• NGINX Gateway Fabric versions 1.3.0 - 1.6.2, 2.0.0 - 2.6.1
• NGINX Ingress Controller versions 3.5.0 - 3.7.2, 4.0.0 - 4.0.1, 5.0.0 - 5.4.2
• NGINX Instance Manager versions 2.17.0 - 2.22.0
• NGINX Open Source versions 0.1.17 - 0.9.7, 1.0.0 - 1.30.1, 1.31.0
• NGINX Plus versions R32 - R36, 37.0.0

For detailed information of the affected systems, please refer to the corresponding security advisories at vendor's website.

Impact:

Successful exploitation of the vulnerability could lead to remote code execution and denial of service on an affected system.

Recommendation:

Software updates for affected systems are now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk. It is recommended to consult the product vendors for the fixes and assistance.

More Information:

• https://my.f5.com/manage/s/article/K000161377
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-9256