CVE-2026-39455CWE-772

BIG-IP Configuration utility vulnerability

High · published May 13, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
44.8
In the wild
Unconfirmed
What it is

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP) authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00542 · 44.8th percentile
Weakness
CWE-772 · Missing Release of Resource after Effective Lifetime
Published
2026-05-13T14:12Z
EPSS history
Timeline
  • 13 MAY 14:12Z
    BIG-IP Configuration utility vulnerability
    cvelistv5