Command injection in nodemailer
Priority MEDIUM 46CWE-88Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-88.
Summary
This affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.
Why it matters now
EPSS 0.02303 83rd percentileScored 2026-11-07
Fix Fixed nodemailer: 6.4.16nodemailer (npm): 6.4.16
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | nodemailer | before 6.4.16 | 6.4.16 | Patch available | CNA |
| — | nodemailer (npm) | before 6.4.16 | 6.4.16 | Patch available | GHSA-48ww-j4fc-435p |
- nodemailer Vendor— Affected before 6.4.16 Fixed in 6.4.16 Patch available CNA
- nodemailer (npm) Vendor— Affected before 6.4.16 Fixed in 6.4.16 Patch available GHSA-48ww-j4fc-435p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:node.js:*:* | before 6.4.16 | Vulnerable | nodemailer |
- cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:node.js:*:* Versions before 6.4.16 Vulnerable ·nodemailer
Remediation
- Fix · CNA nodemailer Fixed in 6.4.16
- Fix · GHSA-48ww-j4fc-435p nodemailer (npm) Fixed in 6.4.16 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7769
- 2026-10-03 Alias added: GHSA-48ww-j4fc-435p
References
Advisory 2
More Nodemailer vulnerabilities
- TI-2025-13566 Nodemailer: nodemailer: denial of service via crafted email address header CVSS 3.1HIGH 7.5
- TI-2021-06093 HTTP Header Injection CVSS 3.1HIGH 8.8
Sources
- CVE-2020-7769 · CVE Program
- CVE-2020-7769 · NVD
- FIRST EPSS
- GHSA-48ww-j4fc-435p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences