SB2026020531 - Remote denial of service in BIG-IP Advanced WAF and ASM



SB2026020531 - Remote denial of service in BIG-IP Advanced WAF and ASM

Published: February 5, 2026

Security Bulletin ID SB2026020531
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Race condition (CVE-ID: CVE-2026-22548)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a race condition when handling HTTP requests. A remote attacker can send specially crafted requests to the system and terminate the bd process. 


Remediation

Install update from vendor's website.