CVE-2026-42930
Appliance mode iControl REST vulnerability
8.7CVSSHIGH
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.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:NAvailabilityNone
Weaknesses
Affected Products
big-ip advanced web application firewallf5
On-premSecurity Product
Networking Infrastructure / firewall and 17 more affected products View all →
Exploitability
Workaround Available
References
Timeline
Published
May 13, 2026
Last Updated
Jun 18, 2026
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