CVE-2026-101956

CRITICAL

An Improper Authentication vulnerability in the J-Web web management component of Juniper Networks Junos OS allows an unauthenticated remote attacker to execute arbitrary Junos commands with root privileges via the exposed J-Web web interface.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 10/14/2026Modified: 10/14/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2026-101956 — An Improper Authentication vulnerability in the J-Web web management component o...

An Improper Authentication vulnerability in the J-Web web management component of Juniper Networks Junos OS allows an unauthenticated remote attacker to execute arbitrary Junos commands with root privileges via the exposed J-Web web interface.

CVE-2026-101956
NIST NVD

References (1)

https://supportportal.juniper.net/JSA112188