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CVE-2026-82661

CVE-2026-82661 · Nodemailer CRLF Injection via List-* Header Comments

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system · node

Affected products and versions

  • nodemailer

    Versions
    • ≥ 0, < 8.0.9: Affected (semver)
    • 8.0.9: Not affected (semver)

    Update to 8.0.9

  • node-nodemailer Debian:12

    Versions
    • 10.0.0+~8.0.1-1
    • 10.0.10+~8.0.1-1
    • 10.0.10+~8.0.2-1
    • 6.10.0+~6.4.17-1
    • 6.8.0+~6.4.6-1
    • 6.9.13+~6.4.14-1
    • 6.9.15+~6.4.16-1
    • 6.9.16+~6.4.16-1
    • 6.9.4+~6.4.9-1
    • 6.9.4+~6.4.9-2
    • 6.9.4+~6.4.9-3
    • 6.9.4+~6.4.9-4
    • 7.0.10+~7.0.2-1
    • 7.0.12+~7.0.5-1
    • 7.0.5+~7.0.1-1
    • 7.0.6+~7.0.1-1
    • 7.0.9+~7.0.2-1
    • 7.0.9+~7.0.2-2
    • 8.0.11+~8.0.1-1
    • 8.0.2+~7.0.11-1
    • 8.0.3+~7.0.11-1
    • 8.0.4+~7.0.11-1
    • 8.0.4+~7.0.11-2
    • 9.0.0+~8.0.1-1
    • 9.0.3+~8.0.1-1
    • 9.0.5+~8.0.1-1
    • 9.0.6+~8.0.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • node-nodemailer Debian:13

    Versions
    • 10.0.0+~8.0.1-1
    • 10.0.10+~8.0.1-1
    • 10.0.10+~8.0.2-1
    • 6.10.0+~6.4.17-1
    • 6.10.0+~6.4.17-1+deb13u1
    • 7.0.10+~7.0.2-1
    • 7.0.12+~7.0.5-1
    • 7.0.5+~7.0.1-1
    • 7.0.6+~7.0.1-1
    • 7.0.9+~7.0.2-1
    • 7.0.9+~7.0.2-2
    • 8.0.11+~8.0.1-1
    • 8.0.2+~7.0.11-1
    • 8.0.3+~7.0.11-1
    • 8.0.4+~7.0.11-1
    • 8.0.4+~7.0.11-2
    • 9.0.0+~8.0.1-1
    • 9.0.3+~8.0.1-1
    • 9.0.5+~8.0.1-1
    • 9.0.6+~8.0.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • node-nodemailer Debian:14

    Versions
    • 6.10.0+~6.4.17-1
    • 7.0.10+~7.0.2-1
    • 7.0.12+~7.0.5-1
    • 7.0.5+~7.0.1-1
    • 7.0.6+~7.0.1-1
    • 7.0.9+~7.0.2-1
    • 7.0.9+~7.0.2-2
    • 8.0.2+~7.0.11-1
    • 8.0.3+~7.0.11-1
    • 8.0.4+~7.0.11-1
    • 8.0.4+~7.0.11-2
    Affected ranges
    • ECOSYSTEM: < 8.0.11+~8.0.1-1

    Update to 8.0.11+~8.0.1-1

  • nodemailer npm

    Affected ranges
    • SEMVER: < 8.0.9

    Update to 8.0.9

  • node-nodemailer Ubuntu:20.04:LTS

    Versions
    • 6.3.0-2
    • 6.3.1-1
    • 6.4.0-1
    • 6.4.1-1
    • 6.4.2-1
    • 6.4.5-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • node-nodemailer Ubuntu:22.04:LTS

    Versions
    • 6.4.17-3
    • 6.7.0-1
    • 6.7.0-2
    • 6.7.1+~6.4.4-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • node-nodemailer Ubuntu:24.04:LTS

    Versions
    • 6.9.4+~6.4.9-2
    • 6.9.4+~6.4.9-3ubuntu1
    • 6.9.4+~6.4.9-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • node-nodemailer Ubuntu:26.04:LTS

    Versions
    • 7.0.5+~7.0.1-1
    • 7.0.9+~7.0.2-2
    • 7.0.10+~7.0.2-1
    • 7.0.12+~7.0.5-1
    • 8.0.4+~7.0.11-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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