CVE-2026-40631

high F5
CVSS v3 Base Score
8.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
EPSS Score
0.2%
Exploitation probability in 30 days
Top 84% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Published: May 13, 2026 (57 days ago)
Last Modified: June 29, 2026
Vendor: F5
Source: NVD

Description

An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE

CWE-552

Affected Products

f5 big-ip access policy managerf5 big-ip advanced firewall managerf5 big-ip advanced web application firewallf5 big-ip analyticsf5 big-ip application acceleration managerf5 big-ip application security managerf5 big-ip application visibility and reportingf5 big-ip automation toolchainf5 big-ip carrier-grade natf5 big-ip container ingress services

References