CVE-2026-101954

An Improper Authentication vulnerability in the J-Web management interface and its NETCONF session handling of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to obtain root-level device configuration access and take over the device via a reachable J-Web HTTP or HTTPS service when web management is enabled.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://supportportal.juniper.net/JSA112187

Configurations

No configuration.

History

14 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 18:17

Updated : 2026-10-16 15:16

NVD link : CVE-2026-101954

Mitre link : CVE-2026-101954

CVE.ORG link : CVE-2026-101954

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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