MEDIUMVulnerability
CVE-2026-82661
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.
Properties
- severity
- MEDIUM
- score
- 5.4
- epss_score
- 0.0019
- cve_id
- CVE-2026-82661
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- published_at
- 2026-08-31T09:17:03.940
- last_modified
- 2026-09-02T18:21:28.047
- epss_percentile
- 0.08691
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of CRLF Sequences ('CRLF Injection')
DESCRIBED_BY (1)
→[Source]NVD
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