Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-41218

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 17.6%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-41218


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