CVE-2026-40631 BIG-IP iControl SOAP vulnerability
Authenticated administrators can escalate privileges by modifying configuration objects via the iControl SOAP interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40631?
CVE-2026-40631 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 13 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-552
Which versions are affected by CVE-2026-40631?
It affects 21 products.
Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 15 more.
How do I fix CVE-2026-40631?
No fix has been published for CVE-2026-40631 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40631 being exploited?
There is no known exploitation of CVE-2026-40631 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Access Policy Manager
- CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass
- CVE-2022-1388 F5 BIG-IP Missing Authentication
- CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution
- CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution
Sources
Also known as GHSA-v83q-vrmw-32xv.