HIGH 8.7 NVD

CVE-2026-66842

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

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.

References

https://my.f5.com/manage/s/article/K000162521

Published: 2026-09-02 · Source: NVD · Feed updated: 2026-09-02

This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-02 via NVD.

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