Is CVE-2026-103994 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103994?

CVE-2026-103994 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-103994

Description

A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.