CVE-2026-82661
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nodemailer | nodemailer | 0 < 8.0.9 | affected |
| nodemailer | nodemailer | 8.0.9 | unaffected |
Weaknesses
- CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')
References
- https://github.com/nodemailer/nodemailer/security/advisories/GHSA-268h-hp4c-crq3
- https://www.vulncheck.com/advisories/nodemailer-crlf-injection-via-list-header-comments
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