High
network-manager-vpnc — security advisory
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.
- Products
- network-manager-vpnc
- Affected 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
- Fixed versions
- Not specified
- CVEs
- CVE-2026-91841
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 22:36 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2026-91841
network-manager-vpnc
Fixed versions: Not specified
network-manager-vpnc
Fixed versions: Not specified
Complete source record
{
"id": "53023bd00a0e6e89ec8b91dd318970956ac63d503a6107aa894220bc5000f953",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-91841",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-91841",
"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 arbitrary commands as the root user, leading to local privilege escalation.",
"evidence": "osv:DEBIAN-CVE-2026-91841",
"products": [
{
"name": {
"value": "network-manager-vpnc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2.8-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.8-5",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.8-6",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.8-7",
"evidence": "/affected/0/versions"
},
{
"value": "1.2.8-8",
"evidence": "/affected/0/versions"
},
{
"value": "1.4.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.4.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.4.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.4.0-4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "network-manager-vpnc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.4.0-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.4.0-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.4.0-4",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-91841",
"aliases": [
"DEBIAN-CVE-2026-91841"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "network-manager-vpnc",
"purl": "pkg:deb/debian/network-manager-vpnc?arch=source&distro=bookworm",
"ecosystem": "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"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-91841.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "network-manager-vpnc",
"purl": "pkg:deb/debian/network-manager-vpnc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.4.0-2",
"1.4.0-3",
"1.4.0-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-91841.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-16T18:00:07.475585864Z",
"provider": "osv",
"upstream": [
"CVE-2026-91841"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-91841"
]
},
"related_cves": [
{
"value": "CVE-2026-91841",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 347627,
"published_at": "2026-09-25T18:17:32.923+00:00"
}