{"id":"CVE-2026-91840","revision":"036921c025c84e9eb47fba364ca59e4e","records":[{"revision":"036921c025c84e9eb47fba364ca59e4e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91840","aliases":[],"title":"Networkmanager-vpnc: networkmanager-vpnc: local privilege escalation to root via newline injection in vpn username","description":"A flaw was found in NetworkManager-vpnc. This vulnerability allows a local unprivileged user to escalate privileges to root. By injecting a newline character into the VPN username field, an attacker can manipulate the vpnc configuration to execute an arbitrary program with root privileges when the malicious VPN connection is activated.","state":0,"publishedAt":"2026-09-25T17:56:32.736+00:00","modifiedAt":"2026-09-28T12:44:17.583+00:00","affected":[{"ecosystem":"https://gitlab.gnome.org/GNOME/NetworkManager-vpnc","name":"network-manager-vpnc","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GNOME\",\n                    \"product\": \"NetworkManager-vpnc\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"*\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageName\": \"network-manager-vpnc\",\n                    \"collectionURL\": \"https://gitlab.gnome.org/GNOME/NetworkManager-vpnc\",\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://access.redhat.com/security/cve/CVE-2026-91840","https://bugzilla.redhat.com/show_bug.cgi?id=2533642","https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/19"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91840","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91840","identifiers":["CVE-2026-91840"]},"retained":false,"historicalAffected":[]}],"coverage":[]}