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CVE Vulnerability Details :
CVE-2026-39459
PUBLISHED
More InfoOfficial Page
Assigner-f5
Assigner Org ID-9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
View Known Exploited Vulnerability (KEV) details
Published At-13 May, 2026 | 14:12
Updated At-14 May, 2026 | 03:56
Rejected At-
▼CVE Numbering Authority (CNA)
iControl REST and tmsh vulnerability

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.

Affected Products
Vendor
F5, Inc.F5
Product
BIG-IP
Modules
  • All Modules
Default Status
unknown
Versions
Affected
  • From 21.0.0 before 21.0.0.2 (custom)
  • From 17.5.0 before 17.5.1.6 (custom)
  • From 17.1.0 before 17.1.3.2 (custom)
  • From 16.1.0 before * (custom)
Unaffected
  • From 21.1.0 before * (custom)
Problem Types
TypeCWE IDDescription
CWECWE-272CWE-272 Least Privilege Violation
Type: CWE
CWE ID: CWE-272
Description: CWE-272 Least Privilege Violation
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
F5 acknowledges Adam Logue for bringing this issue to our attention and following the highest standards of coordinated disclosure.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://my.f5.com/manage/s/article/K000160863
vendor-advisory
patch
Hyperlink: https://my.f5.com/manage/s/article/K000160863
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found