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CVE-2026-91841

NetworkManager-vpnc · privilege escalation

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-91841

Published

A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91841

Published

network-manager-vpnc

https://gitlab.gnome.org/GNOME/NetworkManager-vpnc

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "GNOME",
                    "product": "NetworkManager-vpnc",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "*",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "network-manager-vpnc",
                    "collectionURL": "https://gitlab.gnome.org/GNOME/NetworkManager-vpnc",
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON