CVE-2026-82661EPSS p16.2%
CVE-2026-82661CVE-2026-82661
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.
Scoring
| CVSS | 5.4 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| EPSS | 0.26% probability of exploitation · percentile 16.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-10 |