Read the docs

nodemailer

Records28All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical2CVSS 9.0–10.0
CVSS high17CVSS 7.0–8.9

Exploited now

nodemailer records in CISA KEV

No nodemailer vulnerabilities are listed in CISA KEV.

Components

Products in the NVD configurations · select one to filter the records

Records

28 records

Priority HIGH 77

Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection._actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratical…

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00367 Published 2026-10-14 Partial fix · 10.0.13 CWE-1333
Priority HIGH 77

nodemailer before 10.0.6 contains a denial of service vulnerability in the addressparser free-text fallback regex pattern that exhibits quadratic backtracking behavior.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00337 Published 2026-09-26 Partial fix · 10.0.6 CWE-407
Priority HIGH 77

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00824 Published 2026-09-16 Fixed in 9.1.0 CWE-400
Priority HIGH 70

Nodemailer from 3.0.0 before 10.0.13 contains an improper input validation vulnerability in its address parser that fails to strip RFC 5322 comments inside angle-bracket addresses.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00266 Published 2026-10-14 Partial fix · 10.0.13 CWE-20
Priority HIGH 70

nodemailer before 6.9.9 contains a regular expression denial of service vulnerability in email parsing when attachDataUrls parameter is set or processing embedded file attachments.

CVSS 4.0MEDIUM 6.9 Network No auth No interaction EPSS 0.00418 Published 2026-08-31 Fixed in 6.9.9 CWE-1333
Priority HIGH 69

Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that ends an angle-addr at a '>' inside a quoted local part, comment or domain literal.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00221 Published 2026-11-03 Partial fix · 10.1.4 CWE-20
Priority HIGH 69

Nodemailer from 3.0.0 before 10.1.4 contains a parsing flaw in addressparser that ends an RFC 5322 group at a semicolon inside quoted display names or comments.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00322 Published 2026-11-03 Partial fix · 10.1.4 CWE-20
Priority HIGH 69

Nodemailer from 3.0.0 before 10.0.10 contains a quadratic complexity denial of service vulnerability in the SMTP client reply parser in SMTPConnection._onData and isPartialResponse.

CVSS 4.0HIGH 8.2 Network No auth No interaction EPSS 0.00355 Published 2026-10-14 Partial fix · 10.0.10 CWE-400
Priority HIGH 69

Nodemailer before 9.1.0 fails to apply UTS-46 normalization when encoding international domain names, causing the domain resolver to compute a different Punycode A-label than standards-compliant parsers.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00395 Published 2026-09-16 Partial fix · 9.1.0 CWE-436
Priority HIGH 69

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00192 Published 2026-08-31 Partial fix · 8.0.8 CWE-295
Priority MEDIUM 64

Nodemailer from 3.0.0 before 10.0.10 contains a denial of service vulnerability in MessageParser.parseHeaders that allows users to exhaust CPU through quadratic header unfolding.

CVSS 4.0HIGH 7.1 Network Low privileges No interaction EPSS 0.00381 Published 2026-10-14 Partial fix · 10.0.10 CWE-400
Priority MEDIUM 64

Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport name option used in EHLO/HELO commands.

CVSS 4.0MEDIUM 6.9 Network High privileges No interaction EPSS 0.01031 Published 2026-08-31 Partial fix · 8.0.5 CWE-93
Priority MEDIUM 60

Nodemailer (npm package `nodemailer`) versions 9.1.0 and earlier do not honor the `disableFileAccess` and `disableUrlAccess` sandbox options when message content is resolved through the public plugin API `MailMessage.res…

CVSS 4.0MEDIUM 6.0 Network Low privileges No interaction EPSS 0.00295 Published 2026-09-16 Partial fix · 9.1.1 CWE-73
Priority MEDIUM 57

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.

CVSS 4.0MEDIUM 5.3 Network Low privileges No interaction EPSS 0.00261 Published 2026-08-31 Partial fix · 8.0.9 CWE-93
TI-2026-02976 CVE-2026-3455 · GHSA-7gmj-h9xc-mcxc

Cross-site scripting in mailparser

Priority MEDIUM 56

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting (XSS) via the textToHtml() function due to the improper sanitisation of URLs in the email content.

CVSS 4.0MEDIUM 5.1 Network No auth User interaction EPSS 0.00363 Published 2026-03-03 Fixed in 3.9.3 CWE-79
TI-2020-06286 CVE-2020-7769 · GHSA-48ww-j4fc-435p

Command injection in nodemailer

Priority MEDIUM 46

This affects the package nodemailer before 6.4.16.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02303 Published 2020-11-12 Fixed in 6.4.16 CWE-88
TI-2021-06093 CVE-2021-23400 · GHSA-hwqf-gcqm-7353

HTTP Header Injection

Priority MEDIUM 41

The package nodemailer before 6.6.1 are vulnerable to HTTP Header Injection if unsanitized user input that may contain newlines and carriage returns is passed into an address object.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.01392 Published 2021-06-29 Fixed in 6.6.1 CWE-74
Priority LOW 36

Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that allows remote attackers to redirect recipients by ending nested RFC 5322 comments at the first closing parenthesis.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00337 Published 2026-11-03 Partial fix · 10.1.4 CWE-20
Priority LOW 36

Nodemailer versions >= 6.9.16 and < 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surr…

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00382 Published 2026-09-16 Partial fix · 9.1.0 CWE-436
Load more
Open these records in search →