CVE Catalog

CVE-2026-101956

CriticalCVSS 9.8
Published: Translated: NVD NIST

Summary

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

Risk Assessment

An attacker can fully compromise the device, leading to loss of confidentiality, integrity, and availability across the network.

Recommendation

Apply security updates provided by Juniper Networks and restrict access to the J-Web interface to trusted networks only.

Other vulnerabilities in Junos OS

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Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS