---
title: "CVE-2026-102037: Juniper Networks Junos OS - XML External Entity Injection"
description: "Juniper Networks Junos OS on SRX Series devices contains an XML injection caused by processing malicious responses from a configured custom URL-feed server in the Unified Threat Management daemon (utmd), letting unauthenticated network attackers commit arbitrary device configuration with root privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-102037/
---

# CVE-2026-102037 Juniper Networks Junos OS - XML External Entity Injection

Juniper Networks Junos OS on SRX Series devices contains an XML injection caused by processing malicious responses from a configured custom URL-feed server in the Unified Threat Management daemon (utmd), letting unauthenticated network attackers commit arbitrary device configuration with root privileges.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102037)

## Details

Type

XML External Entity Injection

Impact

Privilege Escalation

CVSS vector

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

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-91](https://cwe.mitre.org/data/definitions/91.html)

## Vendor fix

Update to the latest Junos OS 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-2026-102037](https://nvd.nist.gov/vuln/detail/CVE-2026-102037)
- [https://supportportal.juniper.net/JSA112186](https://supportportal.juniper.net/JSA112186)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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