High
node-mixin-deep — security advisory
mixin-deep node module before 1.3.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
- Products
- node-mixin-deep
- Affected versions
- 1.1.3-1, 2.0.1-2, 2.0.1-3
- Fixed versions
- Not specified
- CVEs
- CVE-2018-3719
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:29 UTC · Revision 1
Source evidence
mixin-deep node module before 1.3.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
osv:UBUNTU-CVE-2018-3719
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
node-mixin-deep
Fixed versions: Not specified
Complete source record
{
"id": "f23a9f994f7f13a5865ef2d0653ab053b77e851088e2dc6f8c165baea1d50f53",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-3719",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-3719",
"summary": "mixin-deep node module before 1.3.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of \"Object\" via __proto__, causing the addition or modification of an existing property that will exist on all objects.",
"evidence": "osv:UBUNTU-CVE-2018-3719",
"products": [
{
"name": {
"value": "node-mixin-deep",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.1.3-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "node-mixin-deep",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/1/versions"
}
]
},
{
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},
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"evidence": "/affected/2/versions"
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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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"evidence": "/affected/5/versions"
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]
},
{
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/6/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2018-3719",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
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"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/node-mixin-deep?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.1.3-1"
],
"database_specific": {
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},
"ecosystem_specific": {
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},
{
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"package": {
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"purl": "pkg:deb/ubuntu/node-mixin-deep?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.0.1-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-3719.json"
},
"ecosystem_specific": {
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"versions": [
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"database_specific": {
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},
"versions": [
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],
"database_specific": {
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{
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"purl": "pkg:deb/ubuntu/node-mixin-deep?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.0.1-3"
],
"database_specific": {
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"ecosystem": "Ubuntu:26.10"
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"versions": [
"2.0.1-3"
],
"database_specific": {
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"package": {
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"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.0.1-3"
],
"database_specific": {
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]
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}
],
"modified": "2026-10-17T12:55:26.877517245Z",
"provider": "osv",
"upstream": [
"CVE-2018-3719"
],
"references": [
"https://ubuntu.com/security/CVE-2018-3719",
"https://nodesecurity.io/advisories/578",
"https://www.cve.org/CVERecord?id=CVE-2018-3719"
]
},
"related_cves": [
{
"value": "CVE-2018-3719",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353767,
"published_at": "2018-06-07T02:29:00+00:00"
}