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8.3 High

CVE-2026-121425 Nodemailer from 3.0.0 before 10.1.4 contains a parsing flaw in addressparser that ends an RFC 5322 group at a…

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.

Affected products and versions

Product Affected versions Fixed in
nodemailer 10.1 earliest → < 10.1.4 10.1.4
nodemailer 3.0 3.0.0 → < 10.1.4 10.1.4

References

Timeline

  1. Published
  2. Last modified

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