CVE-2026-102037 PUBLISHED

Junos OS: SRX Series: An attacker causes arbitrary configuration commit when the custom URL-feed feature is used

Assigner: juniper
Reserved: 28.09.2026 Published: 14.10.2026 Updated: 14.10.2026

An XML Injection vulnerability in the Unified Threat Management daemon (utmd) of Juniper Networks Junos OS on SRX Series devices allows an unauthenticated network attacker to commit arbitrary device configuration with root privileges via a malicious response from a configured custom URL-feed server.

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Juniper Networks
Product	Junos OS
Versions	Default: unaffected affected from 23.4 to 23.4R2-S8.13 (excl.) affected from 24.2 to 24.2R2-S5.5 (excl.) affected from 24.4 to 24.4R2-S5 (excl.) affected from 25.2 to 25.2R2-S2 (excl.) affected from 25.4 to 25.4R1-S3 (excl.) affected from 26.2 to 26.2R1-S2 (excl.)

Affected Configurations

[ security utm custom-objects url-feed url ]

Exploits

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

Workarounds

There are no known workarounds for this issue.

Solutions

The following software releases have been updated to resolve this specific issue:

Junos OS: 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.

Note: For Junos OS releases 23.4 and 24.2, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.

References

https://supportportal.juniper.net/JSA112186

Problem Types

CWE-91 XML Injection (aka Blind XPath Injection) CWE