MediumFix available
nagvis — security advisory
User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
- Products
- nagvis
- Affected versions
- 1:1.10.0-1, 1:1.10.1-1, 1:1.10.2-1, 1:1.10.3-1, 1:1.10.4-1, 1:1.10.5-1, 1:1.10.6-1, 1:1.9.34-1, 1:1.9.35-1, 1:1.9.35-1~exp1, 1:1.9.36-1, 1:1.9.37-1, 1:1.9.38-1, 1:1.9.39-1, 1:1.9.40-1, 1:1.9.41-1, 1:1.9.42-1, 1:1.9.43-1, 1:1.9.44-1, 1:1.9.45-1, 1:1.9.46-1, 1:1.9.47-1, 1:1.9.47-1~exp1, 1:1.9.48-1, 1:1.9.49-1
- Fixed versions
- 1:1.9.48-1
- CVEs
- CVE-2025-39665
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:13 UTC · Revision 1
Source evidence
User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
osv:DEBIAN-CVE-2025-39665
nagvis
Fixed versions: Not specified
nagvis
Fixed versions: Not specified
nagvis
Fixed versions: 1:1.9.48-1
Complete source record
{
"id": "55e811ef5f6ae334d64730b1afac7bf5cda7dcf29671a77f3c5400b4e465d44f",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-39665",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2025-39665",
"summary": "User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.",
"evidence": "osv:DEBIAN-CVE-2025-39665",
"products": [
{
"name": {
"value": "nagvis",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:1.10.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.10.6-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.34-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.35-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.35-1~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.36-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.37-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.38-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.39-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.40-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.41-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.42-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.43-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.44-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.45-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.46-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.47-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.47-1~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.48-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:1.9.49-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "nagvis",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:1.10.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.3-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.4-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.5-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.10.6-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.9.47-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.9.48-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:1.9.49-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "nagvis",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.9.48-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1:1.9.47-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2025-39665",
"aliases": [
"DEBIAN-CVE-2025-39665"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "nagvis",
"purl": "pkg:deb/debian/nagvis?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1:1.10.0-1",
"1:1.10.1-1",
"1:1.10.2-1",
"1:1.10.3-1",
"1:1.10.4-1",
"1:1.10.5-1",
"1:1.10.6-1",
"1:1.9.34-1",
"1:1.9.35-1",
"1:1.9.35-1~exp1",
"1:1.9.36-1",
"1:1.9.37-1",
"1:1.9.38-1",
"1:1.9.39-1",
"1:1.9.40-1",
"1:1.9.41-1",
"1:1.9.42-1",
"1:1.9.43-1",
"1:1.9.44-1",
"1:1.9.45-1",
"1:1.9.46-1",
"1:1.9.47-1",
"1:1.9.47-1~exp1",
"1:1.9.48-1",
"1:1.9.49-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "nagvis",
"purl": "pkg:deb/debian/nagvis?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:1.10.0-1",
"1:1.10.1-1",
"1:1.10.2-1",
"1:1.10.3-1",
"1:1.10.4-1",
"1:1.10.5-1",
"1:1.10.6-1",
"1:1.9.47-1",
"1:1.9.48-1",
"1:1.9.49-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.9.48-1"
}
]
}
],
"package": {
"name": "nagvis",
"purl": "pkg:deb/debian/nagvis?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:1.9.47-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:37.713769893Z",
"provider": "osv",
"upstream": [
"CVE-2025-39665"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2025-39665"
]
},
"related_cves": [
{
"value": "CVE-2025-39665",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 418018,
"published_at": "2025-12-03T10:15:47.913+00:00"
}