VulnSocial

CVE-2026-40060Disclosure(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

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

f5 CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-252

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

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
f5
Products
big-ip_advanced_web_application_firewallbig-ip_application_security_manager

1 version affected across 2 products

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-2026-40060 | F5 BIG-IP prior 17.1.3.1/17.5.1.4/21.0.0.1 Security Policy return value (K000160727 / WID-SEC-2026-1532) https://ift.tt/3zfhQ8p A vulnerability classified as critical was found in F5 BIG-IP. This affects an unknown function of the component Security Policy Han…

    Post summary

    A critical CVE (CVE-2026-40060) affecting certain F5 BIG-IP firmware versions has been disclosed, with reference to a vulnerability report, but no PoC, exploit, patch details, or active usage information is provided.

    0000045
    974 followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appf5big-ip_advanced_web_application_firewall---
Appf5big-ip_advanced_web_application_firewall21.0.0--
Appf5big-ip_application_security_manager---
Appf5big-ip_application_security_manager21.0.0--

Explore more

Back to dashboardf5 CVEsbig-ip_advanced_web_application_firewall vulnerabilities