This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-91841 →
UBUNTU-CVE-2026-91841
A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newl...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Ubuntu:16.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.10
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS
network-manager-vpnc
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- report ubuntu.com
- report cve.org
- report gitlab.gnome.org
- report blogs.gnome.org