Nodemailer before 8.0.9 fails to sanitize carriage return and line feed characters in list comment fields, allowing attackers to inject arbitrary message headers. An attacker with control over list.*.comment parameters can inject CRLF sequences to create additional headers in generated RFC822 messages, altering mail client behavior and message semantics.
Metrics
Affected Vendors & Products
References
History
Wed, 02 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 01 Sep 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
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threat_severity
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Mon, 31 Aug 2026 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Nodemailer before 8.0.9 fails to sanitize carriage return and line feed characters in list comment fields, allowing attackers to inject arbitrary message headers. An attacker with control over list.*.comment parameters can inject CRLF sequences to create additional headers in generated RFC822 messages, altering mail client behavior and message semantics. | |
| Title | Nodemailer CRLF Injection via List-* Header Comments | |
| First Time appeared |
Nodemailer
Nodemailer nodemailer |
|
| Weaknesses | CWE-93 | |
| CPEs | cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Nodemailer
Nodemailer nodemailer |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-31T08:46:26.291Z
Updated: 2026-09-02T17:58:31.404Z
Reserved: 2026-08-30T13:38:29.951Z
Link: CVE-2026-82661
Updated: 2026-09-02T17:58:07.615Z
Status : Awaiting Analysis
Published: 2026-08-31T09:17:03.940
Modified: 2026-09-10T15:48:28.757
Link: CVE-2026-82661