F5 BIG-IP vulnerabilities and fixes

CVEs that mention F5 BIG-IP, ranked by priority. 1 tracked.

F5 BIG-IP has 1 tracked vulnerability, 1 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-09-22. Highest priority: CVE-2026-94127 (score 93/100).

• CVE-2026-94127 CRITICAL 9.8 EXPLOITED UPGRADE F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability

FAQ

How do I fix F5 BIG-IP vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is F5 BIG-IP being exploited right now?

Yes: 1 F5 BIG-IP CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which F5 BIG-IP CVE should I patch first?

CVE-2026-94127 currently ranks highest (93/100): F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability.

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