Medium
network-manager — security advisory
A flaw was found in NetworkManager. This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs. A local user can exploit this flaw to escalate privileges by triggering a script via a crafted MUD URL, provided an administrator has explicitly configured NetworkManager to use dhclient. This issue does not affect default configurations of NetworkManager.
- Products
- network-manager
- Affected versions
- 1.0.4-0ubuntu10, 1.0.4-0ubuntu5, 1.0.4-0ubuntu6, 1.0.4-0ubuntu7, 1.0.4-0ubuntu8, 1.0.4-0ubuntu9, 1.1.93-0ubuntu2, 1.1.93-0ubuntu3, 1.1.93-0ubuntu4, 1.10.14-0ubuntu2, 1.10.4-1ubuntu2, 1.10.4-1ubuntu3, 1.10.6-2ubuntu1, 1.10.6-2ubuntu1.1, 1.10.6-2ubuntu1.2, 1.10.6-2ubuntu1.4, 1.2.0-0ubuntu0.16.04.2, 1.2.0-0ubuntu0.16.04.3, 1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3, 1.2.2-0ubuntu0.16.04.4, 1.2.6-0ubuntu0.16.04.1, 1.2.6-0ubuntu0.16.04.2, 1.2.6-0ubuntu0.16.04.3, 1.20.4-2ubuntu2, 1.20.4-2ubuntu3, 1.20.8-1ubuntu2, 1.22.10-1ubuntu1, 1.22.10-1ubuntu2.1, 1.22.10-1ubuntu2.2, 1.22.10-1ubuntu2.3, 1.22.10-1ubuntu2.4, 1.22.4-1ubuntu2, 1.22.8-1ubuntu1, 1.32.12-0ubuntu1, 1.32.12-0ubuntu2, 1.34.0-2ubuntu3, 1.35.90-0ubuntu1, 1.35.91-0ubuntu1, 1.35.92-1ubuntu1, 1.36.0-1ubuntu2, 1.36.2-1ubuntu1, 1.36.4-1ubuntu1, 1.36.4-2ubuntu1, 1.36.6-0ubuntu1, 1.36.6-0ubuntu2, 1.36.6-0ubuntu2.1, 1.36.6-0ubuntu2.2, 1.36.6-0ubuntu2.3, 1.36.6-0ubuntu2.4, 1.36.6-0ubuntu2.5, 1.44.2-1ubuntu1, 1.44.2-1ubuntu1.1, 1.44.2-1ubuntu2, 1.44.2-7ubuntu1, 1.45.90-1ubuntu1, 1.45.90-1ubuntu3, 1.46.0-1ubuntu2, 1.46.0-1ubuntu2.2, 1.46.0-1ubuntu2.3, 1.46.0-1ubuntu2.4, 1.46.0-1ubuntu2.5, 1.46.0-1ubuntu2.6, 1.46.0-1ubuntu2.7, 1.46.0-1ubuntu2.8, 1.52.0-1ubuntu1, 1.52.0-1ubuntu3, 1.52.0-1ubuntu3.1, 1.52.0-1ubuntu3.2, 1.52.0-1ubuntu3.3, 1.52.0-1ubuntu3.4, 1.52.0-1ubuntu4, 1.54.2-2ubuntu1, 1.54.2-2ubuntu2, 1.54.3-2ubuntu1, 1.54.3-2ubuntu2, 1.54.3-2ubuntu3, 1.54.3-2ubuntu3.1, 1.56.0-7ubuntu1, 1.56.1-1ubuntu1, 1.58.0-2ubuntu1, 1.58.1-1ubuntu3, 1.8.4-1ubuntu3, 1.8.4-1ubuntu4
- Fixed versions
- Not specified
- CVEs
- CVE-2026-10805
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:00 UTC · Revision 1
Source evidence
A flaw was found in NetworkManager. This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs. A local user can exploit this flaw to escalate privileges by triggering a script via a crafted MUD URL, provided an administrator has explicitly configured NetworkManager to use dhclient. This issue does not affect default configurations of NetworkManager.
osv:UBUNTU-CVE-2026-10805
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
network-manager
Fixed versions: Not specified
Complete source record
{
"id": "4061421a8ea1a7b8ddc669dfadb6763b5e5ecfef55d53a357aaedd11ad867874",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-10805",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-10805",
"summary": "A flaw was found in NetworkManager. This local privilege escalation vulnerability exists in NetworkManager's dhclient backend when processing malformed Manufacturer Usage Description (MUD) URLs. A local user can exploit this flaw to escalate privileges by triggering a script via a crafted MUD URL, provided an administrator has explicitly configured NetworkManager to use dhclient. This issue does not affect default configurations of NetworkManager.",
"evidence": "osv:UBUNTU-CVE-2026-10805",
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{
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{
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{
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{
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{
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{
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},
{
"value": "1.20.8-1ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.4-1ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.8-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.10-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.10-1ubuntu2.1",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.10-1ubuntu2.2",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.10-1ubuntu2.3",
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{
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},
{
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},
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"affected_versions": [
{
"value": "1.32.12-0ubuntu1",
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},
{
"value": "1.32.12-0ubuntu2",
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},
{
"value": "1.34.0-2ubuntu3",
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},
{
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{
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{
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{
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{
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{
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{
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{
"value": "1.36.6-0ubuntu1",
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{
"value": "1.36.6-0ubuntu2",
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{
"value": "1.36.6-0ubuntu2.1",
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{
"value": "1.36.6-0ubuntu2.2",
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{
"value": "1.36.6-0ubuntu2.3",
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{
"value": "1.36.6-0ubuntu2.4",
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{
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{
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{
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{
"value": "1.45.90-1ubuntu3",
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{
"value": "1.46.0-1ubuntu2",
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},
{
"value": "1.46.0-1ubuntu2.2",
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{
"value": "1.46.0-1ubuntu2.3",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-10805",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
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}
],
"affected": [
{
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{
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],
"package": {
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"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
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},
"ecosystem_specific": {
"binaries": [
{
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{
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},
{
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{
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}
},
{
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},
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],
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},
"ecosystem_specific": {
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{
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},
{
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},
{
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},
{
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}
},
{
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{
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],
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},
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],
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},
"ecosystem_specific": {
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},
{
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},
{
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},
{
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}
},
{
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"ecosystem": "Ubuntu:22.04:LTS"
},
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"1.35.92-1ubuntu1",
"1.36.0-1ubuntu2",
"1.36.2-1ubuntu1",
"1.36.4-1ubuntu1",
"1.36.4-2ubuntu1",
"1.36.6-0ubuntu1",
"1.36.6-0ubuntu2",
"1.36.6-0ubuntu2.1",
"1.36.6-0ubuntu2.2",
"1.36.6-0ubuntu2.3",
"1.36.6-0ubuntu2.4",
"1.36.6-0ubuntu2.5"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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},
{
"binary_name": "libnm0",
"binary_version": "1.36.6-0ubuntu2.5"
},
{
"binary_name": "network-manager",
"binary_version": "1.36.6-0ubuntu2.5"
},
{
"binary_name": "network-manager-config-connectivity-debian",
"binary_version": "1.36.6-0ubuntu2.5"
},
{
"binary_name": "network-manager-config-connectivity-ubuntu",
"binary_version": "1.36.6-0ubuntu2.5"
}
]
}
},
{
"ranges": [
{
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{
"introduced": "0"
}
]
}
],
"package": {
"name": "network-manager",
"purl": "pkg:deb/ubuntu/network-manager?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.44.2-1ubuntu1",
"1.44.2-1ubuntu1.1",
"1.44.2-1ubuntu2",
"1.44.2-7ubuntu1",
"1.45.90-1ubuntu1",
"1.45.90-1ubuntu3",
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],
"modified": "2026-10-17T12:58:01.910066163Z",
"provider": "osv",
"upstream": [
"CVE-2026-10805"
],
"references": [
"https://ubuntu.com/security/CVE-2026-10805",
"https://www.cve.org/CVERecord?id=CVE-2026-10805",
"https://access.redhat.com/security/cve/CVE-2026-10805"
]
},
"related_cves": [
{
"value": "CVE-2026-10805",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357892,
"published_at": "2026-06-04T06:16:00+00:00"
}