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CVE-2026-39459

iControl REST and tmsh vulnerability

Published: May 13, 2026Updated: Jun 29, 2026 Sources: CVE List NVDCWE-272
7.2HIGH
NVD MITRE
EPSS Score
0.3%
Top 82.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-272

Affected Products

F5
commercial·US
BIG-IPOn-premNetwork Device
Networking Infrastructure / router-switch
big-ip access policy managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip advanced firewall managerOn-premSecurity Product
Networking Infrastructure / firewall
big-ip advanced web application firewallOn-premSecurity Product
Networking Infrastructure / firewall
big-ip analyticsOn-premNetwork Device
Networking Infrastructure / network-management
big-ip application acceleration managerOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy
big-ip application security managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip application visibility and reportingOn-premNetwork Device
Networking Infrastructure / firewall
and 14 more affected products View all →

Exploitability

Workaround Available
Is your org exposed to CVE-2026-39459?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://my.f5.com/manage/s/article/K000160863
my.f5.com

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