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EUVD-2026-56921

🗓️ 11 Aug 2026 18:46:02Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 9 Views

MongoDB Server intra-cluster auth downgrade exposes internal credential to network attackers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18691
11 Aug 202618:46
attackerkb
circl
Circl
CVE-2026-18691
13 Aug 202604:45
circl
cve
CVE
CVE-2026-18691
11 Aug 202618:46
cve
cvelist
Cvelist
CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
11 Aug 202618:46
cvelist
mongodb
MongoDB
Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
11 Aug 202618:46
mongodb
nvd
NVD
CVE-2026-18691
11 Aug 202619:17
nvd
osv
OSV
UBUNTU-CVE-2026-18691
11 Aug 202619:17
osv
ptsecurity
Positive Technologies
PT-2026-70848
11 Aug 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-18691
11 Aug 202619:17
ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-18691
19 Aug 202600:00
nessus
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "2202fec3-9af0-37da-8582-aa4de148a6bd",
        "vendor": {
          "name": "MONGODB"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "43be6e80-0e83-3a37-ae1c-25bffe0c0a65",
        "product": {
          "name": "MongoDB Server",
          "vendor": {
            "name": "MongoDB, Inc."
          }
        },
        "product_version": "8.3.0 <8.3.8"
      },
      {
        "id": "7a6671f1-9355-3dea-947f-17d2b4f86384",
        "product": {
          "name": "MongoDB Server",
          "vendor": {
            "name": "MongoDB, Inc."
          }
        },
        "product_version": "8.0 <8.0.29"
      },
      {
        "id": "9cfb05cd-41ff-310b-a941-917ad57478f7",
        "product": {
          "name": "MongoDB Server",
          "vendor": {
            "name": "MongoDB, Inc."
          }
        },
        "product_version": "7.0 <7.0.40"
      }
    ]
  }
]

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11 Aug 2026 20:22Current
5.3Medium risk
Vulners AI Score5.3
CVSS 49
CVSS 3.18.8
EPSS0.00238
SSVC
9