CVE-2026-41227Disclosure(f5 / big-ip_advanced_web_application_firewall)

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • big-ip_advanced_web_application_firewall
  • big-ip_application_security_manager
  • big-ip_ddos_hybrid_defender

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
big-ip_advanced_web_application_firewallbig-ip_application_security_managerbig-ip_ddos_hybrid_defender

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-17: 1Technical Details · 2026-05-17: 105-17
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Israel@f1tym1
    Disclosure

    CVE-2026-41227 | F5 BIG-IP prior 17.1.3.1/17.5.1.4 allocation of resources (K000158979 / WID-SEC-2026-1532) https://ift.tt/XJbwV0r A vulnerability marked as critical has been reported in F5 BIG-IP. This affects an unknown part. The manipulation leads to allocation of resources…

    Post summary

    CVE-2026-41227 is a newly disclosed critical resource‑allocation flaw affecting F5 BIG‑IP versions before 17.1.3.1/17.5.1.4, with the post noting the issue but providing no PoC, exploit, or patch details.

    0000045
    974 followersView on X
CPE platform detail3 entries

3 of 3 entries

PartVendorProductVersionTarget SWTarget HW
Appf5big-ip_advanced_web_application_firewall---
Appf5big-ip_application_security_manager---
Appf5big-ip_ddos_hybrid_defender---

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