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Vulnerabilities
CVE-2026-121425
Nodemailer: A ";" inside a quoted string or comment ends an address group early in addressparser, turning display text into a recipient
CVE-2026-121426
Nodemailer: A ">" inside a quoted local part ends an angle-addr early in addressparser, delivering to a domain the header does not name
CVE-2026-121424
Nodemailer: A nested comment ends early in addressparser, releasing the rest of the comment as a recipient
CVE-2026-110872
Nodemailer: Quadratic (O(n^2)) SMTP client reply parsing lets a malicious server or MITM cause a pre-auth remote denial of service
CVE-2026-110869
Nodemailer: Quadratic backtracking in SMTP AUTH mechanism detection regexes allows pre-auth remote denial of service
CVE-2026-110870
Nodemailer: RFC 5322 comment inside an angle-bracket address is never stripped
GHSA-wxxx-r42m-9rp8
Duplicate Advisory: Nodemailer: Quadratic (O(n^2)) DKIM header unfolding lets a large folded header cause remote denial of service during signing
CVE-2026-110871
Nodemailer: Quadratic (O(n^2)) DKIM header unfolding lets a large folded header cause remote denial of service during signing
CVE-2026-90776
Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)
GHSA-vm5r-23w9-m8hx
Duplicate Advisory: Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)
CVE-2026-82662
Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception
GHSA-frj6-5rhh-vwfw
Duplicate Advisory: Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception
CVE-2026-100699
Nodemailer: Quoted local-part can produce malformed envelope recipient through RFC 5322 comment parsing
CVE-2026-100700
Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service
CVE-2026-100702
Nodemailer: Nested structured recipient arrays bypass the parser depth limit and cause stack exhaustion DoS
CVE-2026-100701
Nodemailer: Process-global DNS cache reuses TLS `servername` across transports, enabling cross-tenant SMTP credential disclosure
CVE-2026-92596
Nodemailer: Quadratic (O(n²)) time complexity in addressparser allows remote denial of service via a crafted address list
CVE-2026-92597
Nodemailer: Recipient-domain validation bypass via RFC 5322 comment mis-parsing leads to email delivery to an attacker-controlled domain
CVE-2026-92595
Nodemailer: resolveContent() on a MailMessage bypasses disableFileAccess/disableUrlAccess when called with the legacy signature
CVE-2026-92598
Nodemailer: IDN/Punycode domain allow-list bypass leads to email delivery to an attacker-controlled domain
GHSA-h3hj-cmcx-xc66
Duplicate Advisory: Nodemailer: Message-level raw option bypasses disableFileAccess/disableUrlAccess, enabling arbitrary file read and full-response SSRF in the delivered message
CVE-2026-82659
Nodemailer: Message-level raw option bypasses disableFileAccess/disableUrlAccess, enabling arbitrary file read and full-response SSRF in the delivered message
CVE-2026-82661
Nodemailer: CRLF injection in Nodemailer List-* header comments allows arbitrary message header injection
CVE-2026-82853
Nodemailer Vulnerable to SMTP Command Injection via CRLF in Transport name Option (EHLO/HELO)
CVE-2025-14874
Nodemailer’s addressparser is vulnerable to DoS caused by recursive calls
CVE-2026-82660
Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess during message normalization
CVE-2026-82854
Nodemailer has SMTP command injection due to unsanitized `envelope.size` parameter
GHSA-46j5-6fg5-4gv3
Duplicate Advisory: Nodemailer is vulnerable to DoS through Uncontrolled Recursion
CVE-2025-13033
Nodemailer: Email to an unintended domain can occur due to Interpretation Conflict
CVE-2024-58379
nodemailer ReDoS when trying to send a specially crafted email
GHSA-jj37-3377-m6vv
Duplicate Advisory: Nodemailer: Email to an unintended domain can occur due to Interpretation Conflict
CVE-2021-23400
Header injection in nodemailer
CVE-2020-7769
Command injection in nodemailer
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