Medium severity6.5NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026

CVE-2026-121425

Description

Nodemailer from 3.0.0 before 10.1.4 contains a parsing flaw in addressparser that ends an RFC 5322 group at a semicolon inside quoted display names or comments. Attackers can submit crafted group addresses that conformant validators approve, redirecting mail to attacker-chosen recipients and bypassing recipient allow lists.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nodemailer/Nodemailerllm-fuzzy
Range: <10.1.4

Patches

Vulnerability mechanics

References

github.com/nodemailer/nodemailer/security/advisories/GHSA-m943-m63m-w62wnvd
www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.1.4-recipient-injection-via-addressparser-group-parsingnvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000