CVE-2026-94127
BIG-IP APM OAuth vulnerability
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
When a BIG-IP APM access policy and an OAuth profile is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE). Impact: This vulnerability allows an unauthenticated attacker to perform remote code execution. The BIG-IP system in Appliance mode is also vulnerable. This is a data plane issue; there is no control plane exposure. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-122 |
| Vendor | f5 |
| Product | big-ip |
| Published | Sep 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
F5 / BIG-IP
21.1.0 < Hotfix-BIGIP-21.1.0.2.0.30.22-ENG 17.5.0 < Hotfix-BIGIP-17.5.1.9.0.160.12-ENG 17.1.0 < Hotfix-BIGIP-17.1.3.5.0.41.14-ENG
Credits
F5