Critical severity9.8NVD Advisory· Published Oct 14, 2026

CVE-2026-101956

Description

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.

Affected products

Juniper Networks/Junos OSllm-fuzzy
Juniper Networks/J-Webllm-fuzzy

Patches

Vulnerability mechanics

References

supportportal.juniper.net/JSA112188nvd

News mentions

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cvss	0.637
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000