F5 patches BIG-IP APM zero-day flaw exploited in RCE attacks

September 23, 2026 · BleepingComputer · Severity: CRITICAL

F5 has released security updates to address a critical BIG-IP APM zero-day vulnerability being exploited in remote code execution attacks.

Key Takeaways

According to BleepingComputer, this development highlights evolving cybersecurity challenges that security teams should monitor for potential impacts.
Given the CRITICAL severity rating, organizations should prioritize remediation in their vulnerability management and risk assessment workflows.
Security teams should review their exposure to this threat and implement appropriate defensive controls to protect their organization's infrastructure and data.