CVE-2026-22548 MEDIUM

CVE-2026-22548: BIG-IP Advanced WAF and ASM vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-362
Published February 4, 2026
Last update February 4, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests along with conditions beyond the attacker's control can cause the bd process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Key dates

02Disclosure timeline

February 4, 2026 CVE published
February 4, 2026 Record updated