# Nodemailer Project vulnerabilities

Source: https://junglewise.ai/threats/vendors/nodemailer-project  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/nodemailer-project.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Nodemailer Project: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-121426, was published on 3 November 2026. 2 vulnerabilities in the last four weeks, up 100% on the four before (1). 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 2
- Last 90 days: 4
- All time: 5 (0 critical, 0 exploited in the wild)

## About Nodemailer Project

Node.js library for sending emails via SMTP, SMTP+OAuth2, and other transports.

## Latest Nodemailer Project vulnerabilities

- [CVE-2026-121426: Nodemailer address parsing vulnerability in addressparser](https://junglewise.ai/threats/cve-2026-121426-nodemailer-from-3-0-0-before-10-1-4-contains-an-address-parsing) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-121425: Nodemailer addressparser recipient injection via group parsing](https://junglewise.ai/threats/cve-2026-121425-nodemailer-from-3-0-0-before-10-1-4-contains-a-parsing-flaw-in) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-100699: Nodemailer address parser malformed recipient in RFC 5322 comments](https://junglewise.ai/threats/cve-2026-100699-nodemailer-is-a-node-js-email-sending-library-in-versions-9-1-0) (medium, CVSS 5.3, published 26 Sep 2026)
- [Nodemailer raw message option bypasses disableFileAccess/disableUrlAccess](https://junglewise.ai/threats/nodemailer-raw-message-option-bypasses-disablefileaccess-fb6da12e) (high, CVSS 7.1, published 31 Aug 2026)
- [Nodemailer denial of service in address parser](https://junglewise.ai/threats/nodemailer-denial-of-service-in-address-parser-2820868a) (low, CVSS 3.1, published 18 Dec 2025)

## Most severe Nodemailer Project vulnerabilities

- [Nodemailer raw message option bypasses disableFileAccess/disableUrlAccess](https://junglewise.ai/threats/nodemailer-raw-message-option-bypasses-disablefileaccess-fb6da12e) (high, CVSS 7.1, published 31 Aug 2026)
- [CVE-2026-121426: Nodemailer address parsing vulnerability in addressparser](https://junglewise.ai/threats/cve-2026-121426-nodemailer-from-3-0-0-before-10-1-4-contains-an-address-parsing) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-121425: Nodemailer addressparser recipient injection via group parsing](https://junglewise.ai/threats/cve-2026-121425-nodemailer-from-3-0-0-before-10-1-4-contains-a-parsing-flaw-in) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-100699: Nodemailer address parser malformed recipient in RFC 5322 comments](https://junglewise.ai/threats/cve-2026-100699-nodemailer-is-a-node-js-email-sending-library-in-versions-9-1-0) (medium, CVSS 5.3, published 26 Sep 2026)
- [Nodemailer denial of service in address parser](https://junglewise.ai/threats/nodemailer-denial-of-service-in-address-parser-2820868a) (low, CVSS 3.1, published 18 Dec 2025)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up 100% on the four before (1).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 1 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 2 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Nodemailer Project technologies

- [Nodemailer Project Nodemailer](https://junglewise.ai/threats/technologies/nodemailer-project-nodemailer): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Nodemailer Project vulnerabilities", https://junglewise.ai/threats/vendors/nodemailer-project, 11 November 2026.