---
title: "CVE-2026-102030: Juniper Networks Junos OS - Denial of Service"
description: "Juniper Networks Junos OS and Junos OS Evolved contain a denial of service caused by incomplete cleanup in the rpd process when a configured MVPN neighbor sends a BGP MVPN update with inter-region segmented VRF and 'protocols mvpn inter-region-template' configured, letting configured MVPN neighbors cause service disruption, exploit requires configured MVPN neighbor."
url: https://panop.io/threat-heartbeat/CVE-2026-102030/
---

# CVE-2026-102030 Juniper Networks Junos OS - Denial of Service

Juniper Networks Junos OS and Junos OS Evolved contain a denial of service caused by incomplete cleanup in the rpd process when a configured MVPN neighbor sends a BGP MVPN update with inter-region segmented VRF and 'protocols mvpn inter-region-template' configured, letting configured MVPN neighbors cause service disruption, exploit requires configured MVPN neighbor.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102030)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-459](https://cwe.mitre.org/data/definitions/459.html)

## Vendor fix

Update to the latest Junos OS or Junos OS Evolved version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102030](https://nvd.nist.gov/vuln/detail/CVE-2026-102030)
- [https://supportportal.juniper.net/JSA112187](https://supportportal.juniper.net/JSA112187)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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