CVE-2026-20916: BIG-IQ iControl REST vulnerability

Published May 13, 2026
·
Updated

An authenticated iControl REST user with low privileges can create or modify arbitrary files through an undisclosed iControl REST endpoint on the BIG-IQ system.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

2 affected components
F5 Networks BIG-IQ
F5 BIG-IQ Centralized Management=8.4.0

Event History

May 13, 2026
CVE Published
via MITRE·02:12 PM
Data Sourced
via MITRE·02:12 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-20916?

The severity of CVE-2026-20916 is rated as high with a score of 7.2.

2

How do I fix CVE-2026-20916?

To fix CVE-2026-20916, ensure that you update to the latest version of F5 Networks BIG-IQ that is not End of Technical Support.

3

What is the impact of CVE-2026-20916?

CVE-2026-20916 allows an authenticated iControl REST user with low privileges to create or modify arbitrary files.

4

Which systems are affected by CVE-2026-20916?

CVE-2026-20916 affects F5 Networks BIG-IQ Centralized Management systems.

5

What kind of vulnerability is CVE-2026-20916?

CVE-2026-20916 is categorized as a Path Traversal vulnerability.

Contact

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