CVE-2026-91840
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.
- Published Sep 25, 2026
- CVSS 7.8 high
- 0.2% chance of exploitation in the next 30 days (EPSS)