עברית

Vulnerability Intelligence

CVE-2026-91840

High 7.8

Published
Last modified
NVD status
Deferred

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.

References3

Metrics

CVSS 3.1
7.8 HIGH Score source: CNA CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 9 · as of 9 November 2026
CWE
CWE-93

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.