CVE-2026-94127
F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability
Summary
F5 BIG-IP APM contains a heap-based buffer overflow vulnerability when access policy and an OAuth profile are configured on a virtual server. This vulnerability could allow an unauthenticated attacker to perform remote code execution.
Affected software
Vendor: F5 · Product: BIG-IP APM
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in F5
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2020-5902 | F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnera | 100.0% | Yes |
| CVE-2022-1388 | F5 BIG-IP Missing Authentication Vulnerability | 100.0% | Yes |
| CVE-2021-22986 | F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution | 99.9% | Yes |
| CVE-2023-46747 | F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability | 96.5% | Yes |
| CVE-2021-22991 | F5 BIG-IP Traffic Management Microkernel Buffer Overflow | 61.1% | Yes |
| CVE-2023-46748 | F5 BIG-IP Configuration Utility SQL Injection Vulnerability | 4.5% | Yes |
| CVE-2025-53521 | F5 BIG-IP Stack-Based Buffer Overflow Vulnerability | 2.3% | Yes |
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