Is CVE-2026-102178 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-102178?

CVE-2026-102178 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-102178

Description

A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP flowspec peer to cause routing-engine compromise or a routing-daemon denial of service via flowspec route re-advertisement when BGP update-threading is enabled.