CVE-2026-39459

HighCVSS 7.2/10Last modified Oct 26, 2026

Description

A vulnerability exists in iControl REST and the TMOS Shell (tmsh) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.

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

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-272

Affected software

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/K000160863Mitigation, Vendor Advisory

Timeline

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

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