---
id: CVE-2026-91841
title: 'A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager'
summary: >-
  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
  arbit…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-93
vendor: GNOME
product: network-manager-vpnc
affected:
  - network-manager-vpnc < *
published: '2026-09-25'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T19:57:08.043'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91841'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-91841'
    label: patrick@puiterwijk.org
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2533651'
    label: patrick@puiterwijk.org
  - url: 'https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20'
    label: patrick@puiterwijk.org
  - url: 'https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91841.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-91841'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00194
epssPercentile: 0.09012
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-25T18:14:13.076725Z'
ingestedAt: '2026-09-25T18:14:20.401Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91841.json)