CVE-2026-101986

CRITICALCVSS 9.8

Description

An Improper Authentication vulnerability in J-Web of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to bypass J-Web authentication and execute CGI content with elevated privileges via a crafted HTTP request.

Timeline

Published:October 14th, 2026 5:17 PM

Last modified:October 15th, 2026 4:24 PM

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-287

References & Reports

Advisories, patches, and third-party reports

https://supportportal.juniper.net/JSA112187

Source: NIST NVD · Data may lag official sources by up to one minute