Detections
Analytics
CVE-2026-91840
high
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.
References
https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/19
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-87250