Is CVE-2026-102055 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-102055?

CVE-2026-102055 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-102055

Description

A Stack-based Buffer Overflow vulnerability in the cfmd process of Juniper Networks Junos OS on MX Series and Junos OS Evolved on PTX Series platforms allows an unauthenticated adjacent-network attacker to execute arbitrary code as root or cause denial of service via a specific CFM Message sent to a configured down-MEP with enhanced CFM mode enabled.