MEDIUMCVSS v3.1 6.5Vulnerability

CVE-2026-121426

Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that ends an angle-addr at a '>' inside a quoted local part, comment or domain literal. Attackers can submit addresses that validate as an allowed domain but are delivered to an attacker-controlled domain, bypassing recipient allow lists and disclosing message content.

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-2026-121426
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
2026-11-03T15:17:33.213
Last modified
2026-11-03T16:25:21.310

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-121426 (CVSS v3.1 6.5) — Ninja Signal Threat Intelligence | Ninja Signal