CVE-2026-121424

NameCVE-2026-121424
DescriptionNodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that allows remote attackers to redirect recipients by ending nested RFC 5322 comments at the first closing parenthesis. Attackers can submit addresses whose nested comment hides an attacker address, bypassing conformant validators and recipient allow lists to receive mail or spoof senders in mailparser.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
node-nodemailer (PTS)bookworm6.8.0+~6.4.6-1vulnerable
trixie6.10.0+~6.4.17-1+deb13u1vulnerable
forky10.0.14+~8.0.2-1vulnerable
sid10.1.7+~8.0.2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
node-nodemailersource(unstable)10.1.7+~8.0.2-1

Notes

https://github.com/nodemailer/nodemailer/security/advisories/GHSA-8c8m-p3m8-cjg8

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