CVE-2026-91840

Published: Set 25, 2026 Last Modified: Set 25, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,8

Source: [email protected]

Attack Vector: local

Attack Complexity: low

Privileges Required: low

User Interaction: none

Scope: unchanged

Confidentiality: high

Integrity: high

Availability: high

Description

AI Translation Available

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.