CVE-2026-42780: F5 BIG-IP SSL Orchestrator

Medium severity, CVSS 4.9. EPSS: 1.2% chance of exploitation in the next 30 days.

A directory traversal vulnerability exists in BIG-IP SSL Orchestrator that allows an authenticated attacker with high privilege to overwrite, delete or corrupt arbitrary local files.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP SSL Orchestrator: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; version 21.0.0 only

Published 2026-05-13. Last modified 2026-06-23.