CVE-2026-91840

HIGHCVSS 7.8

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 2026-09-25 · last modified 2026-09-25

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.