F5 security advisory (AV26-704)
Serial number: AV26-704 Date: July 15, 2026 On July 15, 2026, F5 published a security advisory to address vulnerabilities in the following products: NGINX Agent – versions 2.37.0 to 2.46.5 NGINX Instance Manager – versions 2.17.1 to 2.22.1 NGINX Plus – versions 37.0.0.1 to 37.0.2.1 NGINX Plus – versions R33 to R36 NGINX Open Source – multiple versions NGINX Instance Manager – versions 2.17.0 to 2.22.1 F5 WAF for NGINX – versions 5.9.0 to 5.13.3 NGINX App Protect WAF – versions 5.2.0 to 5.8.0 NGINX App Protect WAF – versions 4.11.0 to 4.16.0 NGINX Gateway Fabric – versions 2.0.0 to 2.6.6 NGINX Gateway Fabric – versions 1.3.0 to 1.6.2 NGINX Ingress Controller – multiple versions BIG-IP Next SPK – multiple versions BIG-IP Next CNF – multiple versions BIG-IP Next for Kubernetes – versions 2.0.0 to 2.3.1 BIG-IP (all modules) – multiple versions The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates. K000161837: Out-of-band Security Notification (July 15, 2026) MyF5
CSIRTS triage
- What
- F5 published a security advisory addressing vulnerabilities in multiple products.
- Who is affected
- Users of affected F5 products.
- Urgency
- Remediation urgency is unclear as specific vulnerabilities are not detailed.
- Action
- Review the advisory and apply necessary updates.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/f5-security-advisory-av26-704
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