Home

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.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-13 | Updated 2026-05-14 | Assigner f5




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

HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-272 Least Privilege Violation

Product status

Default status
unknown

21.1.0 (custom) before *
unaffected

21.0.0 (custom) before 21.0.0.2
affected

17.5.0 (custom) before 17.5.1.6
affected

17.1.0 (custom) before 17.1.3.2
affected

16.1.0 (custom) before *
affected

Credits

F5 acknowledges Adam Logue for bringing this issue to our attention and following the highest standards of coordinated disclosure. reporter

References

my.f5.com/manage/s/article/K000160863 vendor-advisory patch

cve.org (CVE-2026-39459)

nvd.nist.gov (CVE-2026-39459)

Download JSON