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.

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Solution

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Workaround

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History

Wed, 13 May 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared F5
F5 big-ip
Vendors & Products F5
F5 big-ip

Wed, 13 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 15:15:00 +0000

Type Values Removed Values Added
Description 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.
Title BIG-IP Configuration utility vulnerability
Weaknesses CWE-772
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: f5

Published:

Updated: 2026-05-13T16:09:59.231Z

Reserved: 2026-04-30T23:04:20.012Z

Link: CVE-2026-39455

cve-icon Vulnrichment

Updated: 2026-05-13T16:09:54.237Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-13T16:16:41.090

Modified: 2026-05-13T16:27:11.127

Link: CVE-2026-39455

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T16:45:44Z

Weaknesses