{"id":"CVE-2026-81830","title":"The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation","summary":"The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation","severity":"medium","cvss":5.6,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","cwe":["CWE-73"],"vendor":"OpenVPN","product":"OpenVPN","affected":["OpenVPN >= 2.4.0 <= 2.6.22"],"published":"2026-09-07","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:07:52.113","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81830","references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-81830","label":"security@openvpn.net"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81830.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-81830"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81830"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81830"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00151,"epssPercentile":0.03583,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T14:55:36.157046Z"},"cvssSource":"cna","scores":{"cna":5.6,"vendor":5.5},"ingestedAt":"2026-09-08T15:33:26.975Z","slug":"CVE-2026-81830","body":"## Overview\n\nThe Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-07 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81830.json)","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}