F5 Security Updates – 16 July 2026

F5 has released security updates to address several vulnerabilities affecting multiple F5 products.

The addressed vulnerabilities could allow the attacker to conduct denial-of-service (DoS) attacks, manipulate files, obtain sensitive information, or execute arbitrary code on the affected system.

Sample of the addressed vulnerabilities:

1. NGINX Ingress Controller Vulnerability (CVE-2026-55723):

  • CVSS: 8.3
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: File Manipulation

2. NGINX ngx_http_slice_module Vulnerability (CVE-2026-60005):

  • CVSS: 8.2
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Obtain Information

Sample of the affected products:

  • NGINX Ingress Controller.
  • NGINX Instance Manager.
  • F5 WAF for NGINX.
  • NGINX Agent.
  • BIG-IP.
Vulnerabilities
  • CVE-2026-55723
  • CVE-2026-52865
  • CVE-2026-60062
  • CVE-2026-42533
  • CVE-2026-56434
  • CVE-2026-60005
  • CVE-2026-60065
  • CVE-2026-59762
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

F5 Security Advisory

References