SB2026051445 - Improper access control in BIG-IP iControl SOAP
Published: May 14, 2026
Security Bulletin ID
SB2026051445
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-40631)
The vulnerability allows a remote user to escalate privileges or bypass Appliance mode restrictions.
The vulnerability exists due to improper access control in iControl SOAP when modifying configuration objects. A remote privileged user can modify configuration objects through iControl SOAP to escalate privileges or bypass Appliance mode restrictions.
In Appliance mode deployments, successful exploitation can cross a security boundary. This is a control plane issue only.
Remediation
Install update from vendor's website.