{"uuid": "f0234c06-2e67-4451-96d9-3fa0e37857d2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-53521", "type": "seen", "source": "https://bsky.app/profile/securitycyebruk.bsky.social/post/3mv26bxkf7a2v", "content": "F5 BIG-IP APM under active attack: CVE-2025-53521 RCE drops the PoisonedRefresh rootkit. Patch now and treat any exposed APM as compromised. https://bleepingcomputer.com/news/security/hackers-breach-f5-big-ip-apm-devices-to-deploy-linux-rootkit", "creation_timestamp": "2026-09-08T23:26:20.076606Z"}