Is CVE-2026-102027 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-102027?

CVE-2026-102027 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-102027

Description

An Incorrect Calculation of Buffer Size vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP neighbor to cause an rpd crash via BGP labeled-unicast UPDATEs when the affected multipath features are enabled.