Security Alert (A26-09-05): Multiple Vulnerabilities in F5 Products


 

Published on: 03 September 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/K000161728
https://my.f5.com/manage/s/article/K000162521
https://my.f5.com/manage/s/article/K000162599
https://my.f5.com/manage/s/article/K000162600
https://my.f5.com/manage/s/article/K000162601
https://my.f5.com/manage/s/article/K000162602
https://my.f5.com/manage/s/article/K000162603
https://my.f5.com/manage/s/article/K000163148
https://my.f5.com/manage/s/article/K000163165
https://my.f5.com/manage/s/article/K000163169
https://my.f5.com/manage/s/article/K000163187

 

Affected Systems:

  • BIG-IP (all modules) versions 17.1.0 - 17.1.3, 17.5.0 - 17.5.1, 21.0.0 - 21.1.0
  • BIG-IP (DNS) versions 17.1.0 - 17.1.3, 17.5.0 - 17.5.1, 21.1.0
  • BIG-IQ versions 8.4.0 - 8.4.2
  • F5OS versions 2.0.0, 2.0.0 (VELOS systems)
  • F5OS-A versions 1.5.1 - 1.5.4, 1.8.0 - 1.8.4
  • F5OS-C versions 1.6.0 - 1.6.4, 1.8.0 - 1.8.2
  • NGINX Gateway Fabric versions 2.5.0 - 2.6.7
  • NGINX Ingress Controller versions 5.0.0 - 5.5.4, 2026-lts-r1 - 2026-lts-r4
  • NGINX JavaScript versions 0.5.1 - 0.9.9, 1.0.0

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

 

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service, elevation of privilege, security restriction bypass, spoofing or tampering on an affected system.

 

Recommendation:

Software updates and mitigations 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/K000161728
  • https://my.f5.com/manage/s/article/K000162521
  • https://my.f5.com/manage/s/article/K000162599
  • https://my.f5.com/manage/s/article/K000162600
  • https://my.f5.com/manage/s/article/K000162601
  • https://my.f5.com/manage/s/article/K000162602
  • https://my.f5.com/manage/s/article/K000162603
  • https://my.f5.com/manage/s/article/K000162872
  • https://my.f5.com/manage/s/article/K000163148
  • https://my.f5.com/manage/s/article/K000163165
  • https://my.f5.com/manage/s/article/K000163169
  • https://my.f5.com/manage/s/article/K000163187
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-20064
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-20068
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-12617
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-18329
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-63020
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-63810
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66362
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-66842
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-77180
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-78222
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-78689


Tag: F5 , BIG-IP , BIG-IQ , F5OS , NGINX
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