Feed/CVE-2026-91840
CVE-2026-91840HIGHCVSS 7.8

CVE-2026-91840

Published Sep 25, 2026·Updated Sep 28, 2026

NVD 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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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