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CVE-2026-91841

CVE-2026-91841 · Networkmanager-vpnc: networkmanager-vpnc: incomplete fix for cve-2018-10900 allows root privilege escalation via ca-file path newline injection

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.8 · High · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • networkmanager-vpnc

    Versions
    • ≥ 0: Affected (semver)

    No fix published

  • network-manager-vpnc Debian:12

    Versions
    • 1.2.8-4
    • 1.2.8-5
    • 1.2.8-6
    • 1.2.8-7
    • 1.2.8-8
    • 1.4.0-1
    • 1.4.0-2
    • 1.4.0-3
    • 1.4.0-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Debian:13

    Versions
    • 1.4.0-2
    • 1.4.0-3
    • 1.4.0-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:16.04:LTS

    Versions
    • 0.9.10.0-1ubuntu1
    • 1.0.8-1ubuntu1
    • 1.1.93-1
    • 1.1.93-1ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:18.04:LTS

    Versions
    • 1.2.4-4
    • 1.2.4-6
    • 1.2.4-6ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:20.04:LTS

    Versions
    • 1.2.6-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:22.04:LTS

    Versions
    • 1.2.6-3
    • 1.2.6-4
    • 1.2.8-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:24.04:LTS

    Versions
    • 1.2.8-5
    • 1.2.8-7
    • 1.2.8-7build1
    • 1.2.8-7build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:26.10

    Versions
    • 1.4.0-3build1
    • 1.4.0-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • network-manager-vpnc Ubuntu:26.04:LTS

    Versions
    • 1.4.0-3
    • 1.4.0-3build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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