{"id":"CVE-2026-82853","title":"Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport name option used in EHLO/HELO commands","summary":"Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport name option used in EHLO/HELO commands. The name parameter is concatenated directly into SMTP commands without sanitizing carriage return a…","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-93"],"published":"2026-08-31","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:48:28.757","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82853","references":[{"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-vvjj-xcjg-gr5g","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nodemailer-before-8.0.5-smtp-command-injection-via-crlf","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-vvjj-xcjg-gr5g","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82853.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-82853"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2526197"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-82853"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82853"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00735,"epssPercentile":0.53007,"ingestedAt":"2026-09-10T15:53:17.039Z","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["developer_hub","enterprise_linux 10","self_service_automation_portal 2"],"slug":"CVE-2026-82853","body":"## Overview\n\nNodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport name option used in EHLO/HELO commands. The name parameter is concatenated directly into SMTP commands without sanitizing carriage return and line feed characters, allowing attackers to inject arbitrary SMTP commands for email spoofing and phishing attacks.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Developer Hub, Red Hat Enterprise Linux 10, Self-service automation portal 2 · no fix planned: Red Hat Developer Hub, Red Hat Enterprise Linux 10, Self-service automation portal 2 · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82853.json)","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}