🛡️ CVE-2026-41227 — big-ip-advanced-web-application-firewall

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-770 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-41227 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.

Affected software

CVE-2026-41227 is recorded against 4 packages.

  • big-ip-advanced-web-application-firewall (from 16.1.0 up to 16.1.6)
  • big-ip-application-security-manager (from 16.1.0 up to 16.1.6)
  • big-ip-ddos-hybrid-defender (from 16.1.0 up to 16.1.6)
  • unknown

Timeline and source

Published on 13 May 2026 and last revised on 24 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

my.f5.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-770
Public Exploit ✅ No
Source NVD
Published 2026-05-13
Updated 2026-08-11
Modified 2026-06-24
Fix URL N/A

Affected Packages

Software From version Fixed in
big-ip-advanced-web-application-firewall 16.1.0 16.1.6
big-ip-application-security-manager 16.1.0 16.1.6
big-ip-ddos-hybrid-defender 16.1.0 16.1.6
unknown — —

Similar Threats

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