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.

References

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-87251

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

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

Details

Source: Mitre, NVD

Published: 2026-09-25

Updated: 2026-09-30

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00194