{"id":"CVE-2026-102141","aliases":["EUVD-2026-90273"],"status":"published","title":"Kiteworks Core Privilege Escalation through External Control of File Name or Path","description":"Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00102,"percentile":0.00909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-73"],"published":"2026-09-30T20:10:55Z","modified":"2026-10-07T16:17:32Z","products":[{"vendor":"accellion","product":"kiteworks"},{"vendor":"kiteworks","product":"core"},{"vendor":"opnsense","product":"core"}],"references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-m39v-w8fv-gf3m","tags":["Vendor Advisory"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","tags":["third-party-advisory","Broken Link"]}],"sources":{"cve":[{"id":"CVE-2026-102141","title":"Kiteworks Core Privilege Escalation through External Control of File Name or Path","description":"Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.","status":"published","published":"2026-09-30T20:10:55.599Z","modified":"2026-10-07T15:52:15.93Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-73","CWE-269"],"updated_at":"2026-11-02T13:38:54.394896Z"}],"euvd":[{"id":"EUVD-2026-90273","description":"Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.","status":"published","published":"2026-09-30T20:10:55Z","modified":"2026-10-07T15:52:15Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-02T17:27:35.164729Z"}],"nvd":[{"id":"CVE-2026-102141","description":"Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.","status":"published","published":"2026-09-30T21:17:02.903Z","modified":"2026-10-07T16:17:32.293Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-73","CWE-269"],"updated_at":"2026-11-02T14:12:53.097633Z"}]}}