Medium
Security advisory
A User Enumeration flaw exists in Harbor. The issue is present in the "/users" API endpoint. This endpoint is supposed to be restricted to administrators. This restriction is able to be bypassed and information can be obtained about registered users can be obtained via the "search" functionality.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-3990
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:40 UTC · Revision 1
Source evidence
A User Enumeration flaw exists in Harbor. The issue is present in the "/users" API endpoint. This endpoint is supposed to be restricted to administrators. This restriction is able to be bypassed and information can be obtained about registered users can be obtained via the "search" functionality.
osv:CVE-2019-3990
Complete source record
{
"id": "1e1554be98786d3a915ac68250d08aa0142e4d361cd05f4c7a171cdbb1f28594",
"url": "https://osv.dev/vulnerability/CVE-2019-3990",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-3990",
"summary": "A User Enumeration flaw exists in Harbor. The issue is present in the \"/users\" API endpoint. This endpoint is supposed to be restricted to administrators. This restriction is able to be bypassed and information can be obtained about registered users can be obtained via the \"search\" functionality.",
"evidence": "osv:CVE-2019-3990",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-3990",
"aliases": [
"CVE-2019-3990",
"GHSA-6qj9-33j4-rvhg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/goharbor/harbor",
"type": "GIT",
"events": [
{
"introduced": "8017a20e0c04a66367d71d6a9ea80c8430ee51ef"
},
{
"last_affected": "afb558e7bcab81e98e56036f1e493cb5a3823a53"
},
{
"introduced": "9b073a1941df311f30911b59751280e68158550d"
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{
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{
"last_affected": "c90c264f6969583f7ce3a977b1d57bd685dc2fa8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.7.0"
},
{
"last_affected": "1.7.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.8.0"
},
{
"last_affected": "1.8.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:1.9.0:-:*:*:*:*:*:*",
"range": [
{
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{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:1.9.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "1.9.0-rc1"
},
{
"last_affected": "1.9.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:1.9.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "1.9.0-rc2"
},
{
"last_affected": "1.9.0-rc2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:1.9.1:-:*:*:*:*:*:*",
"range": [
{
"introduced": "1.9.1-NA"
},
{
"last_affected": "1.9.1-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:linuxfoundation:harbor:1.9.1:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "1.9.1-rc1"
},
{
"last_affected": "1.9.1-rc1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.9.0-NA",
"1.9.0-rc1",
"1.9.0-rc2",
"1.9.1-NA",
"1.9.1-rc1",
"v1.7.6-rc1",
"v1.7.6",
"v1.8.5-rc1",
"v1.8.5",
"v1.8.4-rc1",
"v1.8.4",
"v1.9.1-rc1",
"v1.8.3",
"v1.9.0",
"v1.8.3-rc1",
"v1.8.2-rc1",
"v1.8.2-rc2",
"v1.8.2",
"v1.8.1",
"v1.8.0",
"v1.7.5",
"v1.7.4",
"v1.7.3",
"v1.7.2",
"v1.7.1",
"v1.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3990.json"
}
}
],
"modified": "2026-10-20T10:50:55.589253074Z",
"provider": "osv",
"references": [
"https://www.tenable.com/security/research/tra-2019-50",
"https://github.com/goharbor/harbor/security/advisories/GHSA-6qj9-33j4-rvhg"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-3990",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382355,
"published_at": "2019-12-03T17:15:11.727+00:00"
}