F5 Issues Security Fixes for Vulnerabilities in BIG-IP and NGINX Products

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F5 Issues Security Fixes for Vulnerabilities in BIG-IP and NGINX Products

First seen 6 Feb 2026, 14:53 UTC • •56.5

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ThreatCluster •March 12, 2026 at 13:27 UTC

On February 4, 2026, F5 released its Quarterly Security Notification addressing critical vulnerabilities in BIG-IP, NGINX, and related products. The vulnerabilities include medium and low-severity CVEs and a security exposure that could lead to denial-of-service (DoS) risks and configuration weaknesses, affecting high-traffic environments such as web application firewalls and Kubernetes ingress. No active exploits have been reported at this time.

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Threat Graph

6 entities, 5 inferred relationships (STIX 2.1).

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Technique (2)

DDoS
Malware

Organization (1)

F5 Networks

Affected Platform (2)

Big-ip
Kubernetes

Tool (1)

Nginx

Relationships

DDoS targets Big-ip
DDoS targets Kubernetes
Malware targets Big-ip
Malware targets Kubernetes
Nginx related to F5 Networks

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