PT-2026-40631 · F5 · Big-Iq

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-20916

Mitre

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

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.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-20916

Affected Products

Big-Iq

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-20916 · Security Note
• https://my.f5.com/manage/s/article/K000158029 · Patch, Vendor Advisory