Execution with unnecessary privileges in BIG-IP - CVE-2026-32673
Published: May 14, 2026
Vulnerability identifier: #VU131397
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-32673
CWE-ID: CWE-250
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary system commands with higher privileges.
The vulnerability exists due to execution with unnecessary privileges in BIG-IP scripted monitor when handling requests to the affected iControl REST endpoint or processing the affected tmsh command. A remote privileged user can invoke the vulnerable functionality to execute arbitrary system commands with higher privileges.
In appliance mode deployments, successful exploitation can cross a security boundary. There is no data plane exposure; this is a control plane issue only.
Affected software
BIG-IP
How to mitigate CVE-2026-32673
Install security update from vendor's website.
BIG-IP - addressed in versions 17.1.3.2, 17.5.1.6, 21.0.0.2