CVE-2026-91841

High

Description

A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.

SeverityHigh
CVSS7.8
Exploit probability—
ProductNetworkManager-vpnc
PublishedSep 25, 2026
First seenSep 25, 2026
Weakness typeCWE-93CWE-93

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
GNOME NetworkManager-vpnc0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.