CVE-2026-38728

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write, lib/smtp-stream.js components"}], "id": "CVE-2026-38728", "lastModified": "2026-06-17T10:41:45.860", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-38728", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-15T15:27:50.293148Z", "version": "2.0.3"}}]}, "published": "2026-05-15T15:16:51.197", "references": [{"source": "cve@mitre.org", "url": "https://bytecreator.dev/blog/CVE-2026-38728"}, {"source": "cve@mitre.org", "url": "https://github.com/nodemailer/smtp-server"}, {"source": "cve@mitre.org", "url": "https://github.com/nodemailer/smtp-server/releases/tag/v3.18.3"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://bytecreator.dev/blog/CVE-2026-38728"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.18.3)"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "smtp_server", "vendor": "nodemailer"}], "created": "2026-05-15T16:30:03.915406+00:00", "updated": "2026-05-17T19:41:35.407659+00:00", "vendors": ["nodemailer", "nodemailer$PRODUCT$smtp_server"]}