CVE-2026-91841

Published: Sep 25, 2026Modified: Sep 30, 2026Deferred

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: patrick@puiterwijk.org (Secondary)

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.

Related CWEs

CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.

References (4)

https://access.redhat.com/security/cve/CVE-2026-91841

Source: patrick@puiterwijk.org

https://bugzilla.redhat.com/show_bug.cgi?id=2533651

Source: patrick@puiterwijk.org

https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20

Source: patrick@puiterwijk.org

https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.