Medium
Nexus Repository 3 - Improper LDAP Referral Handling
Type: advisorySources: OSV
An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-3048
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 06:33 UTC · Revision 1
Source evidence
Nexus Repository 3 - Improper LDAP Referral Handling
core-osv · Original sourcePublished 11 May 2026, 17:11 UTC
An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.
osv:CVE-2026-3048
Complete source record
{
"id": "de451b4a5e9dc01151b32c2f8262c6786c5f83187e9fe99db03e1c38a11a5274",
"url": "https://osv.dev/vulnerability/CVE-2026-3048",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Nexus Repository 3 - Improper LDAP Referral Handling",
"summary": "An authenticated administrator who configures or tests LDAP connectivity in Sonatype Nexus Repository Manager versions 3.0.0 through 3.91.1 may be able to initiate unintended server-side connections when interacting with a malicious LDAP server.",
"evidence": "osv:CVE-2026-3048",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-3048",
"aliases": [
"CVE-2026-3048"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sonatype/nexus-public",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "260bcab61f935243160c3a47ba648571ccd2a21e"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "3.0.0"
},
{
"last_affected": "3.91.1"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"release-3.91.1-04",
"release-3.91.0-07",
"release-3.90.0-21",
"release-3.89.1-02",
"release-3.89.0-09",
"release-3.88.0-08",
"release-3.87.1-01",
"release-3.86.2-01",
"release-3.85.0-03",
"release-3.84.1-01",
"release-3.87.0-03",
"release-3.86.0-08",
"release-3.84.0-03",
"release-3.83.2-01",
"release-3.83.1-03",
"release-3.82.0-08",
"release-3.83.0-08",
"release-3.81.1-01",
"release-3.81.0-08",
"release-3.80.0-06",
"release-3.79.1-04",
"release-3.79.0-09",
"release-3.78.2-04",
"release-3.78.1-02",
"release-3.78.0-14",
"release-3.77.2-02",
"release-3.77.1-01",
"release-3.77.0-08",
"release-3.76.1-01",
"release-3.76.0-03",
"release-3.75.1-01",
"release-3.75.0-06",
"release-3.74.0-05",
"release-3.73.0-12",
"release-3.72.0-04",
"release-3.71.0-06",
"release-3.70.1-02",
"release-3.70.0-03",
"release-3.69.0-02",
"release-3.68.1-02",
"release-3.68.0-04",
"release-3.67.1-01",
"release-3.67.0-03",
"release-3.66.0-02",
"release-3.65.0-02",
"release-3.64.0-04",
"release-3.64.0-03",
"release-3.63.0-01",
"release-3.62.0-01",
"release-3.61.0-02",
"release-3.60.0-02",
"release-3.59.0-01",
"release-3.58.1-02",
"release-3.58.1-01",
"release-3.58.0-01",
"release-3.57.0-01",
"release-3.56.0-01",
"release-3.55.0-01",
"release-3.54.1-01",
"release-3.53.1-02",
"release-3.53.0-01",
"release-3.52.0-01",
"release-3.51.0-01",
"release-3.50.0-01",
"release-3.49.0-02",
"release-3.48.0-01",
"release-3.47.1-01",
"release-3.47.0-01",
"release-3.46.0-01",
"release-3.45.1-SNAPSHOT",
"release-3.45.0-01",
"release-3.44.0-01",
"release-3.43.0-01",
"release-3.42.0-01",
"release-3.41.1-01",
"release-3.41.0-01",
"release-3.40.0-03",
"release-3.39.0-01",
"release-3.38.1-01",
"release-3.38.0-01",
"release-3.37.3-02",
"3.37.1-01",
"release-3.32.0-03",
"release-3.37.0-01",
"release-3.36.0-01",
"release-3.35.0-02",
"release-3.34.1-01",
"release-3.34.0-01",
"release-3.33.1-01",
"release-3.33.0-01",
"release-3.31.1-01",
"release-3.31.0-01",
"release-3.30.1-01",
"release-3.30.0-01",
"release-3.29.2-02",
"release-3.29.1-01",
"release-3.29.0-02",
"release-3.28.1-01",
"release-3.28.0-01",
"release-3.27.0-03",
"release-3.26.1-02",
"release-3.26.0-04",
"release-3.25.1-02",
"release-3.25.0-03",
"release-3.24.0-02",
"release-3.23.0-03",
"release-3.22.1-02",
"release-3.22.0-02",
"release-3.21.0-05",
"release-3.20.1-01",
"release-3.20.0-04",
"release-3.5.0-02",
"release-3.4.0-02",
"release-3.3.0-01"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3048.json"
}
}
],
"modified": "2026-10-28T02:30:49.854656332Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3048.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-3048",
"https://support.sonatype.com/hc/en-us/articles/51591695462675",
"https://help.sonatype.com/en/sonatype-nexus-repository-3-92-0-release-notes.html"
],
"provider_metadata": {
"cwe_ids": [
"CWE-502",
"CWE-918"
],
"cna_assigner": "Sonatype",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.92.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3048.json"
}
},
"related_cves": [
{
"value": "CVE-2026-3048",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518513,
"published_at": "2026-05-11T17:11:45.239+00:00"
}