CVE-2026-40699 MEDIUM

CVE-2026-40699: BIG-IP Configuration utility vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-643 · XPath injection
Published May 13, 2026
Last update May 13, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

A vulnerability exists in the undisclosed pages in the Configuration utility that may allow a low-privileged authenticated attacker to access to undisclosed sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Key dates

02Disclosure timeline

May 13, 2026 CVE published
May 13, 2026 Record updated