High
Security advisory
Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to execute arbitrary code. This could possibly lead to an attacker executing code with the permissions of the Kibana process on the host system.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-7012
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:24 UTC · Revision 1
Source evidence
Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to execute arbitrary code. This could possibly lead to an attacker executing code with the permissions of the Kibana process on the host system.
osv:CVE-2020-7012
Complete source record
{
"id": "d1224c442d9f1af2b274029203d316a67013ef144c3f3ec92609f649bd880d0c",
"url": "https://osv.dev/vulnerability/CVE-2020-7012",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-7012",
"summary": "Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to execute arbitrary code. This could possibly lead to an attacker executing code with the permissions of the Kibana process on the host system.",
"evidence": "osv:CVE-2020-7012",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-7012",
"aliases": [
"CVE-2020-7012"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/elastic/elasticsearch",
"type": "GIT",
"events": [
{
"introduced": "8453f7701de25c467ce08088ddddac185cb8028c"
},
{
"last_affected": "2f4c2240ecfc520baef4353a726f13fc59c12066"
},
{
"introduced": "b7e28a7232616c7a21bc879a535d801b8553ba77"
},
{
"last_affected": "ef48eb35cf30adf4db14086e8aabd07ef6fb113f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.7.0"
},
{
"last_affected": "6.8.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.6.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v6.8.8",
"v6.8.7",
"v6.8.6",
"v6.8.5",
"v6.8.4",
"v6.8.3",
"v6.8.2",
"v6.8.1",
"v6.8.0",
"v6.7.2",
"v6.7.1",
"v6.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7012.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/elastic/kibana",
"type": "GIT",
"events": [
{
"introduced": "e09a026ba3803569800034af6ce923cdc1864a08"
},
{
"last_affected": "dc91d17ffcdc72efa4fe5944ac5abd22f9a8620d"
},
{
"introduced": "ee89fda8a17eff9c93f7400c102edf76cb4d7d8a"
},
{
"last_affected": "c14a620411be7e6e463520eafa61fa8d7efb84ce"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.7.0"
},
{
"last_affected": "6.8.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.6.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v6.8.8",
"v6.8.7",
"v6.8.6",
"v6.8.5",
"v6.8.4",
"v6.8.3",
"v6.8.2",
"v6.8.1",
"v6.8.0",
"v6.7.2",
"v6.7.1",
"v6.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7012.json"
}
}
],
"modified": "2026-10-24T10:30:52.873468164Z",
"provider": "osv",
"references": [
"https://www.elastic.co/community/security/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-7012",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437787,
"published_at": "2020-06-03T18:15:22.857+00:00"
}