CRITICAL

CVE-2026-101956

CVSS v3

9.8

CRITICAL

EPSS Score

0.7 %

exploit probability, as of 2026-10-16

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-101956 yet.

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-14
Last Modified: 2026-10-15

Frequently asked questions

What is CVE-2026-101956?

Is CVE-2026-101956 actively exploited?

Active exploitation of CVE-2026-101956 has not been confirmed. Its EPSS score was 0.7% on 2026-10-16, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-101956?

CVE-2026-101956 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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