CVE catalog
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.*.
- Severity
- Medium · CVSS 5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | node-nodemailer | sid | 10.1.7+~8.0.2-1 | fixed |
| Debian | node-nodemailer | forky | 10.0.14+~8.0.2-1 | fixed |
| Debian | node-nodemailer | trixie | 6.10.0+~6.4.17-1+deb13u1 | vulnerable |
| Debian | node-nodemailer | bookworm | 6.8.0+~6.4.6-1 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.3.0-2 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.3.1-1 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.4.0-1 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.4.1-1 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.4.2-1 | vulnerable |
| Ubuntu | node-nodemailer | 20.04 | 6.4.5-1 | vulnerable |
| Ubuntu | node-nodemailer | 22.04 | 6.4.17-3 | vulnerable |
| Ubuntu | node-nodemailer | 22.04 | 6.7.0-1 | vulnerable |
| Ubuntu | node-nodemailer | 22.04 | 6.7.0-2 | vulnerable |
| Ubuntu | node-nodemailer | 22.04 | 6.7.1+~6.4.4-1 | vulnerable |
| Ubuntu | node-nodemailer | 24.04 | 6.9.4+~6.4.9-2 | vulnerable |
| Ubuntu | node-nodemailer | 24.04 | 6.9.4+~6.4.9-3ubuntu1 | vulnerable |
| Ubuntu | node-nodemailer | 24.04 | 6.9.4+~6.4.9-4 | vulnerable |
| Ubuntu | node-nodemailer | 26.04 | 7.0.5+~7.0.1-1 | vulnerable |
| Ubuntu | node-nodemailer | 26.04 | 7.0.9+~7.0.2-2 | vulnerable |
| Ubuntu | node-nodemailer | 26.04 | 7.0.10+~7.0.2-1 | vulnerable |
| Ubuntu | node-nodemailer | 26.04 | 7.0.12+~7.0.5-1 | vulnerable |
| Ubuntu | node-nodemailer | 26.04 | 8.0.4+~7.0.11-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | node-nodemailer | source | sid | 8.0.11+~8.0.1-1 | not yet assigned | Not reported | Not reported |
| Debian | node-nodemailer | source | forky | 8.0.11+~8.0.1-1 | not yet assigned | Not reported | Not reported |
| Debian | node-nodemailer | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | node-nodemailer | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
Notes
[trixie] node-nodemailer: Minor issue [bookworm] node-nodemailer: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [node-nodemailer]Affected
Details (2)
6.8.0+~6.4.6-1· all · bookwormAffected
nvd · node-nodemailer · debian · bookworm; nvd · node-nodemailer · debian · 12
6.8.0+~6.4.6-1· all · bookwormAffected
nvd · node-nodemailer · debian · bookworm; nvd · node-nodemailer · debian · 12
[Debian 13 (Trixie)]
- [node-nodemailer]Affected
Details (2)
6.10.0+~6.4.17-1+deb13u1· all · trixieAffected
nvd · node-nodemailer · debian · 13
6.10.0+~6.4.17-1+deb13u1· all · trixieAffected
nvd · node-nodemailer · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-82661]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-82661]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-82661]
- [https://security-tracker.debian.org/tracker/CVE-2026-82661]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82661.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]