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F5 security advisory (AV26-704)

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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

Source
Canadian Centre for Cyber Security (CA · national-cert · site)
Severity
unknown
Published
2026-07-15
Exploitation
Not in CISA KEV at last sync

Original advisory: https://cyber.gc.ca/en/alerts-advisories/f5-security-advisory-av26-704

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