{"id":"CVE-2026-101954","published":"2026-10-14T18:17:11Z","modified":"2026-10-16T15:16:59Z","title":"An Improper Authentication vulnerability in the J-Web management interface and its NETCONF session handling of Juniper…","vendor":"Juniper Networks","product":"Junos OS","tier":"core","eol":null,"description":{"text":"An Improper Authentication vulnerability in the J-Web management interface and its NETCONF session handling of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to obtain root-level device configuration access and take over the device via a reachable J-Web HTTP or HTTPS service when web management is enabled.","provenance":"source","from":"NVD"},"summary":{"text":"The Junos OS and Junos OS Evolved products from Juniper Networks contain an improper authentication flaw in the J-Web management interface and its NETCONF session handling. An unauthenticated network attacker who can reach the J-Web HTTP or HTTPS service, which is only exposed when web management is enabled, can obtain root-level device configuration access and take over the device, with no authentication or user interaction required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:18:29Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00477,"percentile":0.41244,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"references":[{"url":"https://supportportal.juniper.net/JSA112187","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-101494","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101494","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-14","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101954","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":15.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":8.25,"detail":"percentile 0.4124"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}