What is GHSA-q8rv-95x3-46j5?

GHSA-q8rv-95x3-46j5 is a security advisory published by GitHub Security Advisories with Medium severity. Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport...

Which CVE IDs does GHSA-q8rv-95x3-46j5 cover?

GHSA-q8rv-95x3-46j5 covers the following CVE IDs: CVE-2026-82853. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q8rv-95x3-46j5?

GHSA-q8rv-95x3-46j5 has a CVSS v3 base score of 4.9, published by GitHub Security Advisories.

GHSA-q8rv-95x3-46j5MediumCVSS 4.9

Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport...

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

August 31, 2026

🔗 CVE IDs covered (1)

CVE-2026-82853 →

📋 Description

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 and line feed characters, allowing attackers to inject arbitrary SMTP commands for email spoofing and phishing attacks.

🔗 References (4)

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-vvjj-xcjg-gr5g
https://nvd.nist.gov/vuln/detail/CVE-2026-82853
https://www.vulncheck.com/advisories/nodemailer-before-8.0.5-smtp-command-injection-via-crlf
https://github.com/advisories/GHSA-q8rv-95x3-46j5