VULNERABILITY INTELLIGENCE

CVE-2026-41218

CVSS score8.7 HIGH

EPSS probability0.26%

CISA KEVNot currently listed

Published2026-05-13

Last modified2026-10-26

Description

When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery command), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.