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UBUNTU-CVE-2026-91840 (CVE-2026-91840)
Vulnerability from osv_ubuntu – Published: 2026-09-17 00:00 – Updated: 2026-09-17 00:00 – Source website
VLAI
Details
[username newline injection reaches a root password helper]
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.1.93-1ubuntu0.1"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.1.93-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.1.93-1ubuntu0.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.9.10.0-1ubuntu1",
"1.0.8-1ubuntu1",
"1.1.93-1",
"1.1.93-1ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.2.4-6ubuntu0.1"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.2.4-6ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.2.4-6ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.4-4",
"1.2.4-6",
"1.2.4-6ubuntu0.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.2.6-2"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.2.6-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.2.6-2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.6-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.2.8-2"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.2.8-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.2.8-2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.6-3",
"1.2.6-4",
"1.2.8-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.2.8-7build2"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.2.8-7build2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.2.8-7build2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.8-5",
"1.2.8-7",
"1.2.8-7build1",
"1.2.8-7build2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "network-manager-vpnc",
"binary_version": "1.4.0-3build1"
},
{
"binary_name": "network-manager-vpnc-gnome",
"binary_version": "1.4.0-3build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "network-manager-vpnc",
"purl": "pkg:deb/ubuntu/network-manager-vpnc@1.4.0-3build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.0-3",
"1.4.0-3build1"
]
}
],
"aliases": [],
"details": "[username newline injection reaches a root password helper]",
"id": "UBUNTU-CVE-2026-91840",
"modified": "2026-09-17T00:00:00Z",
"published": "2026-09-17T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-91840"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-91840"
},
{
"type": "REPORT",
"url": "https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/19"
},
{
"type": "REPORT",
"url": "https://blogs.gnome.org/mcatanzaro/2026/09/15/privilege-escalation-vulnerabilities-in-networkmanager-plugins/"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-91840"
]
}