MEDIUMCVSS v3.1 6.5Vulnerability

CVE-2026-121424

Nodemailer 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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-03T17:20:13.885968+00:00
Cvss score
6.5
Cvss severity
MEDIUM
Retrieved at
2026-11-03T17:21:18+00:00
Score
6.5
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-121424
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
First seen by Signal
2026-11-03T17:21:18+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Published at
2026-11-03T15:17:32.883
Last modified
2026-11-03T16:25:21.310

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-121424 (CVSS v3.1 6.5) — Ninja Signal Threat Intelligence | Ninja Signal