CVE-2026-42930

HighCVSS 8.7/10Last modified Oct 26, 2026

Description

When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1 8.7/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-35

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
F5	BIG-IP	>= 21.0.0, < 21.0.0.2; >= 17.5.0, < 17.5.1.6; >= 17.1.0, < 17.1.3.2; >= 16.1.0, < *

References

https://my.f5.com/manage/s/article/K000160876Mitigation, Vendor Advisory

Timeline

Published: May 13, 2026
Last modified: Oct 26, 2026
NVD status: Undergoing Analysis

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