# nodemailer (npm) vulnerabilities

27 known vulnerabilities (1 critical, 15 high, 11 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 10.4.0 (Nov 7, 2026): no advisory affects it
- Newest unaffected release: 10.4.0 (Nov 7, 2026), the latest release
- Weekly downloads: 35.5M
- Dependents: 2,047
- Releases: 338 since 0.1.1 (Dec 8, 2011)
- Registry: https://www.npmjs.com/package/nodemailer
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-121426: 3.0.0 to 10.1.3 (10.1.4 is outside it)
- GHSA-8C8M-P3M8-CJG8: 3.0.0 to 10.1.3 (10.1.4 is outside it)
- GHSA-M943-M63M-W62W: 3.0.0 to 10.1.3 (10.1.4 is outside it)
- CVE-2026-110872: 3.0.0 to 10.0.9 (10.0.10 is outside it)
- CVE-2026-110871: 3.0.0 to 10.0.9 (10.0.10 is outside it)
- CVE-2026-110870: 3.0.0 to 10.0.12 (10.0.13 is outside it)
- CVE-2026-110869: 3.0.0 to 10.0.12 (10.0.13 is outside it)
- CVE-2026-100702: 0.1.1 to 10.0.1 (10.0.2 is outside it)
- CVE-2026-100701: 5.0.0 to 10.0.1 (10.0.2 is outside it)
- CVE-2026-100700: 0.1.1 to 10.0.5 (10.0.6 is outside it)
- CVE-2026-100699: 9.1.0 to 10.0.8 (10.0.9 is outside it)
- CVE-2026-92598: 0.1.1 to 9.0.6 (9.1.0 is outside it)
- CVE-2026-92597: 6.9.16 to 9.0.6 (9.1.0 is outside it)
- CVE-2026-92596: 0.1.1 to 9.0.6 (9.1.0 is outside it)
- CVE-2026-92595: 0.1.1 to 9.1.0 (9.1.1 is outside it)
- CVE-2026-90776: 9.1.0 to 10.0.4 (10.0.5 is outside it)
- CVE-2026-82854: 0.1.1 to 8.0.3 (8.0.4 is outside it)
- CVE-2026-82853: 0.1.1 to 8.0.4 (8.0.5 is outside it)
- CVE-2026-82662: 0.1.1 to 8.0.7 (8.0.8 is outside it)
- CVE-2026-82661: 0.1.1 to 8.0.8 (8.0.9 is outside it)
- CVE-2026-82660: 0.1.1 to 8.0.8 (8.0.9 is outside it)
- CVE-2026-82659: 0.1.1 to 9.0.0 (9.0.1 is outside it)
- CVE-2024-58379: 0.1.1 to 6.9.8 (6.9.9 is outside it)
- CVE-2025-14874: 3.0.0 to 7.0.10 (7.0.11 is outside it)
- CVE-2025-13033: 0.1.1 to 7.0.6 (7.0.7 is outside it)
- CVE-2021-23400: 0.1.1 to 6.6.0 (6.6.1 is outside it)
- CVE-2020-7769: 0.1.1 to 6.4.15 (6.4.16 is outside it)

## Advisories (27)

### [CVE-2026-121426](https://cve.now/CVE-2026-121426): Nodemailer 3.0.0 before 10.1.4 Recipient Domain Confusion via addressparser

- Severity: High 8.3
- Published: Nov 3, 2026
- Affected: from 3.0.0, fixed in 10.1.4.
- Fixed in 10.1.4 (released Oct 18, 2026, 16 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 66% of nodemailer downloads last week were affected versions (26M).

### [GHSA-8C8M-P3M8-CJG8](https://cve.now/GHSA-8C8M-P3M8-CJG8): Nodemailer: A nested comment ends early in addressparser, releasing the rest of the comment as a recipient

- Severity: Medium
- Published: Oct 23, 2026
- Affected: from 3.0.0, fixed in 10.1.4.
- Fixed in 10.1.4 (released Oct 18, 2026, 5 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 66% of nodemailer downloads last week were affected versions (26M).

### [GHSA-M943-M63M-W62W](https://cve.now/GHSA-M943-M63M-W62W): Nodemailer: A ";" inside a quoted string or comment ends an address group early in addressparser, turning display text into a recipient

- Severity: Medium
- Published: Oct 23, 2026
- Affected: from 3.0.0, fixed in 10.1.4.
- Fixed in 10.1.4 (released Oct 18, 2026, 5 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 66% of nodemailer downloads last week were affected versions (26M).

### [CVE-2026-110872](https://cve.now/CVE-2026-110872): Nodemailer 3.0.0 before 10.0.10 Denial of Service via SMTP Reply Parsing

- Severity: High 8.2
- Published: Oct 14, 2026
- Affected: from 3.0.0, fixed in 10.0.10.
- Fixed in 10.0.10 (released Sep 14, 2026, 30 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 50% of nodemailer downloads last week were affected versions (19.6M).

### [CVE-2026-110871](https://cve.now/CVE-2026-110871): Nodemailer 3.0.0 before 10.0.10 Quadratic DKIM Header Unfolding Denial of Service

- Severity: High 7.1
- Published: Oct 14, 2026
- Affected: from 3.0.0, fixed in 10.0.10.
- Fixed in 10.0.10 (released Sep 14, 2026, 30 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 50% of nodemailer downloads last week were affected versions (19.6M).

### [CVE-2026-110870](https://cve.now/CVE-2026-110870): Nodemailer before 10.0.13 Improper Input Validation via Angle-Bracket Address Comments

- Severity: Medium 6.9
- Published: Oct 14, 2026
- Affected: from 3.0.0, fixed in 10.0.13.
- Fixed in 10.0.13 (released Sep 30, 2026, 14 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 55% of nodemailer downloads last week were affected versions (21.7M).

### [CVE-2026-110869](https://cve.now/CVE-2026-110869): Nodemailer 3.0.0 before 10.0.13 ReDoS via SMTP AUTH Mechanism Detection Regexes

- Severity: High 8.7
- Published: Oct 14, 2026
- Affected: from 3.0.0, fixed in 10.0.13.
- Fixed in 10.0.13 (released Sep 30, 2026, 14 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 55% of nodemailer downloads last week were affected versions (21.7M).

### [CVE-2026-100702](https://cve.now/CVE-2026-100702): Nodemailer before 10.0.2 Stack Exhaustion via Nested Recipient Arrays

- Severity: High 8.2
- Published: Sep 26, 2026
- Affected: fixed in 10.0.2.
- Fixed in 10.0.2 (released Sep 9, 2026, 17 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 49% of nodemailer downloads last week were affected versions (19.2M).

### [CVE-2026-100701](https://cve.now/CVE-2026-100701): Nodemailer 5.0.0 through 10.0.1 TLS servername Cache Confusion

- Severity: Medium 6.0
- Published: Sep 26, 2026
- Affected: from 5.0.0, fixed in 10.0.2.
- Fixed in 10.0.2 (released Sep 9, 2026, 17 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 48% of nodemailer downloads last week were affected versions (18.9M).

### [CVE-2026-100700](https://cve.now/CVE-2026-100700): nodemailer before 10.0.6 Denial of Service via addressparser

- Severity: High 8.7
- Published: Sep 26, 2026
- Affected: fixed in 10.0.6.
- Fixed in 10.0.6 (released Sep 11, 2026, 15 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 49% of nodemailer downloads last week were affected versions (19.2M).

### [CVE-2026-100699](https://cve.now/CVE-2026-100699): Nodemailer before 10.0.9 Malformed Envelope Recipient via RFC 5322 Comment

- Severity: Medium 6.9
- Published: Sep 26, 2026
- Affected: from 9.1.0, fixed in 10.0.9.
- Fixed in 10.0.9 (released Sep 12, 2026, 14 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 4.7% of nodemailer downloads last week were affected versions (1.8M).

### [CVE-2026-92598](https://cve.now/CVE-2026-92598): Nodemailer before 9.1.0 IDN/Punycode Domain Allow-list Bypass

- Severity: High 8.3
- Published: Sep 16, 2026
- Affected: fixed in 9.1.0.
- Fixed in 9.1.0 (released Aug 31, 2026, 16 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 45% of nodemailer downloads last week were affected versions (17.6M).

### [CVE-2026-92597](https://cve.now/CVE-2026-92597): Nodemailer before 9.1.0 Email Domain Validation Bypass via RFC 5322 Comment

- Severity: High 8.3
- Published: Sep 16, 2026
- Affected: from 6.9.16, fixed in 9.1.0.
- Fixed in 9.1.0 (released Aug 31, 2026, 16 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 38% of nodemailer downloads last week were affected versions (14.8M).

### [CVE-2026-92596](https://cve.now/CVE-2026-92596): Nodemailer before 9.1.0 Denial of Service via addressparser

- Severity: High 8.7
- Published: Sep 16, 2026
- Affected: fixed in 9.1.0.
- Fixed in 9.1.0 (released Aug 31, 2026, 16 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 45% of nodemailer downloads last week were affected versions (17.6M).

### [CVE-2026-92595](https://cve.now/CVE-2026-92595): Nodemailer before 9.1.1 Security Sandbox Bypass via resolveContent

- Severity: Medium 6.0
- Published: Sep 16, 2026
- Affected: fixed in 9.1.1.
- Fixed in 9.1.1 (released Sep 1, 2026, 15 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 45% of nodemailer downloads last week were affected versions (17.7M).

### [CVE-2026-90776](https://cve.now/CVE-2026-90776): Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing

- Severity: High 8.7
- Published: Sep 13, 2026
- Affected: from 9.1.0, fixed in 10.0.5.
- Fixed in 10.0.5 (released Sep 11, 2026, 2 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 4.1% of nodemailer downloads last week were affected versions (1.6M).

### [CVE-2026-82854](https://cve.now/CVE-2026-82854): Nodemailer before 8.0.4 SMTP Command Injection via envelope.size

- Severity: Critical 9.3
- Published: Aug 31, 2026
- Affected: fixed in 8.0.4.
- Fixed in 8.0.4 (released Mar 25, 2026, 159 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 30% of nodemailer downloads last week were affected versions (11.9M).

### [CVE-2026-82853](https://cve.now/CVE-2026-82853): Nodemailer before 8.0.5 SMTP Command Injection via CRLF

- Severity: Medium 6.9
- Published: Aug 31, 2026
- Affected: fixed in 8.0.5.
- Fixed in 8.0.5 (released Apr 7, 2026, 146 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 31% of nodemailer downloads last week were affected versions (12.2M).

### [CVE-2026-82662](https://cve.now/CVE-2026-82662): Nodemailer before 8.0.8 TLS Certificate Validation Bypass

- Severity: High 8.3
- Published: Aug 31, 2026
- Affected: fixed in 8.0.8.
- Fixed in 8.0.8 (released May 23, 2026, 100 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 34% of nodemailer downloads last week were affected versions (13.4M).

### [CVE-2026-82661](https://cve.now/CVE-2026-82661): Nodemailer CRLF Injection via List- Header Comments

- Severity: Medium 5.3
- Published: Aug 31, 2026
- Affected: fixed in 8.0.9.
- Fixed in 8.0.9 (released May 26, 2026, 97 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 34% of nodemailer downloads last week were affected versions (13.5M).

### [CVE-2026-82660](https://cve.now/CVE-2026-82660): Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess

- Severity: Medium 5.3
- Published: Aug 31, 2026
- Affected: fixed in 8.0.9.
- Fixed in 8.0.9 (released May 26, 2026, 97 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 34% of nodemailer downloads last week were affected versions (13.5M).

### [CVE-2026-82659](https://cve.now/CVE-2026-82659): nodemailer before 9.0.1 File Read and SSRF via raw option

- Severity: High 7.1
- Published: Aug 31, 2026
- Affected: fixed in 9.0.1.
- Fixed in 9.0.1 (released Jun 17, 2026, 75 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 38% of nodemailer downloads last week were affected versions (14.7M).

### [CVE-2024-58379](https://cve.now/CVE-2024-58379): nodemailer before 6.9.9 ReDoS via attachDataUrls parameter

- Severity: Medium 6.9
- Published: Aug 31, 2026
- Affected: fixed in 6.9.9.
- Fixed in 6.9.9 (released Feb 1, 2024, 942 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 3.8% of nodemailer downloads last week were affected versions (1.5M).

### [CVE-2025-14874](https://cve.now/CVE-2025-14874): Nodemailer: nodemailer: denial of service via crafted email address header

- Severity: High 7.5
- Published: Dec 18, 2025
- Affected: from 3.0.0, fixed in 7.0.11.
- Fixed in 7.0.11 (released Nov 26, 2025, 22 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 22% of nodemailer downloads last week were affected versions (8.8M).

### [CVE-2025-13033](https://cve.now/CVE-2025-13033): Nodemailer: nodemailer: email to an unintended domain can occur due to interpretation conflict

- Severity: High 7.5
- Published: Nov 14, 2025
- Affected: fixed in 7.0.7.
- Fixed in 7.0.7 (released Oct 5, 2025, 40 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 21% of nodemailer downloads last week were affected versions (8.1M).

### [CVE-2021-23400](https://cve.now/CVE-2021-23400): HTTP Header Injection

- Severity: Medium 6.3
- Published: Jun 29, 2021
- Affected: fixed in 6.6.1.
- Fixed in 6.6.1 (released May 23, 2021, 37 days before disclosure).
- The latest release, 10.4.0, is not affected.
- 1.1% of nodemailer downloads last week were affected versions (425.5K).

### [CVE-2020-7769](https://cve.now/CVE-2020-7769): Command Injection

- Severity: High 8.6
- Published: Nov 12, 2020
- Affected: fixed in 6.4.16.
- Fixed in 6.4.16 (released Nov 12, 2020, the day of disclosure).
- The latest release, 10.4.0, is not affected.
- 1% of nodemailer downloads last week were affected versions (392.8K).

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