{"schema":"threatline.record/2","record":{"id":"CVE-2026-101956","aliases":[],"summary":"Junos OS: Unauthorized root command execution when J-Web is enabled","details":"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.","categories":["Network & edge"],"product":"Junos OS","vendor":"Juniper Networks","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101956","source_modified_at":"2026-10-15T03:57:22.247Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"25.2R2-S2","status":"affected","version":"25.2","versionType":"custom"},{"lessThan":"25.4R1-S3","status":"affected","version":"25.4","versionType":"custom"},{"lessThan":"26.2R1-S2","status":"affected","version":"26.2","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101956","source_modified_at":"2026-10-15T03:57:22.247Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Junos OS","ecosystem":null},"version":"25.2R2-S2","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101956","source_modified_at":"2026-10-15T03:57:22.247Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Junos OS","ecosystem":null},"version":"25.4R1-S3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101956","source_modified_at":"2026-10-15T03:57:22.247Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Junos OS","ecosystem":null},"version":"26.2R1-S2","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00749,"percentile":0.54424,"score_date":"2026-10-23"},"published_at":"2026-10-14T16:18:04.536Z","modified_at":"2026-10-15T03:57:22.247Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-101956","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T03:57:22.247Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-101956","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://supportportal.juniper.net/JSA112188","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-14T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-15T03:57:22.247Z","content_hash":"27363b964c3545c6b8d594724e7f5d0dd37e90214f75877f58aa1a9767aad8bb"}}