Security Alert (A26-06-36): Multiple Vulnerabilities in F5 Products


 

Published on: 18 June 2026

Description:

F5 has published security advisories to address multiple vulnerabilities in F5 Products. The details about the vulnerabilities can be found at the following website:
https://my.f5.com/manage/s/article/K000161584
https://my.f5.com/manage/s/article/K000161585
https://my.f5.com/manage/s/article/K000161611
https://my.f5.com/manage/s/article/K000161614
https://my.f5.com/manage/s/article/K000161616
https://my.f5.com/manage/s/article/K000161785
https://my.f5.com/manage/s/article/K000161786

 

Affected Systems:

  • F5 DoS for NGINX versions 4.9.0
  • F5 WAF for NGINX versions 5.9.0 - 5.13.1
  • 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 - 2.6.3
  • NGINX Ingress Controller versions 3.5.0 - 3.7.2, 4.0.0 - 4.0.1, 5.0.0 - 5.5.0
  • NGINX Instance Manager versions 2.17.0 - 2.22.0
  • NGINX Open Source versions 1.0.0 - 1.30.2, 1.31.0 - 1.31.1
  • NGINX Plus versions 37.0.0 - 37.0.1, R33 - R36

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

 

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service, information disclosure, security restriction bypass or tampering 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/K000161584
  • https://my.f5.com/manage/s/article/K000161585
  • https://my.f5.com/manage/s/article/K000161611
  • https://my.f5.com/manage/s/article/K000161614
  • https://my.f5.com/manage/s/article/K000161616
  • https://my.f5.com/manage/s/article/K000161785
  • https://my.f5.com/manage/s/article/K000161786
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-11311
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-32682
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42055
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42530
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-48142
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50107


Tag: F5 , F5 DoS , F5 WAF
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