Nodemailer from 3.0.0 before 10.0.13 contains an improper input validation vulnerability in its address parser that fails to strip RFC 5322 comments inside angle-bracket addresses. Attackers can supply recipients like a display name with a parenthesized comment in the domain, so illegal characters reach envelope.to and RCPT TO, causing rejected delivery or parser interpretation conflicts that bypass domain allow-lists.
Metrics
Affected Vendors & Products
References
History
Mon, 26 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Thu, 15 Oct 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
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| Weaknesses | CWE-791 | |
| References |
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| Metrics |
threat_severity
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threat_severity
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Wed, 14 Oct 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Nodemailer from 3.0.0 before 10.0.13 contains an improper input validation vulnerability in its address parser that fails to strip RFC 5322 comments inside angle-bracket addresses. Attackers can supply recipients like a display name with a parenthesized comment in the domain, so illegal characters reach envelope.to and RCPT TO, causing rejected delivery or parser interpretation conflicts that bypass domain allow-lists. | |
| Title | Nodemailer before 10.0.13 Improper Input Validation via Angle-Bracket Address Comments | |
| First Time appeared |
Nodemailer
Nodemailer nodemailer |
|
| Weaknesses | CWE-20 | |
| CPEs | cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Nodemailer
Nodemailer nodemailer |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-14T22:52:58.787Z
Updated: 2026-10-26T15:20:53.532Z
Reserved: 2026-10-14T22:21:21.397Z
Link: CVE-2026-110870
Updated: 2026-10-26T15:20:26.192Z
Status : Awaiting Analysis
Published: 2026-10-14T23:17:28.813
Modified: 2026-10-26T16:17:11.983
Link: CVE-2026-110870