CVE-2026-66842 — BIG-IP and BIG-IQ Configuration utility vulnerability
BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts through an undisclosed request to Traffic Management User I…
Published: 2026-09-02 · CVSS: 8.7 · CVSS 4.0
BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts through an undisclosed request to Traffic Management User Interface (TMUI). Impact: This vulnerability may allow an authenticated attacker with network access to the BIG-IP management interface to escalate privileges by creating administrative accounts on the BIG-IP system. There is no data plane exposure; this is a control plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7