Findings

CVE-2026-39455

When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP) authentication, undisclosed traffic can cause the httpd process…

Published May 13, 2026 · updated Jun 29, 2026 · f5 big-ip access policy manager

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2026 · NIST NVD

    Detected

    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.

  2. Jun 29, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe f5/big-ip access policy managerversion unspecified
  • cpe f5/big-ip access policy manager21.0.0
  • cpe f5/big-ip advanced firewall managerversion unspecified
  • cpe f5/big-ip advanced web application firewallversion unspecified
  • cpe f5/big-ip analyticsversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-39455

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-39455

    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

    nvd.nist.gov

References