npm package
nodemailer vulnerabilities by version
The latest release, 10.1.2 (Oct 16, 2026), has no known vulnerabilities. 61% of last week’s 25.7M downloads went to versions with known vulnerabilities. OSV.dev lists 20 advisories for nodemailer; the newest was published on Sep 30, 2026.
npm (opens in a new tab) describes it as “Easy as cake e-mail sending from your Node.js applications”
- Latest release
- 10.1.2
- Oct 16, 2026, no known vulnerabilities
- Downloads last week
- 25.7M
- All versions, from npm
- Advisories on OSV.dev
- 20
- Newest Sep 30, 2026
- Licence
- MIT-0
Most-downloaded versions last week
From npm’s per-version download counts for the last 7 days, each checked against OSV.dev. Open a version for its advisories and what to upgrade to.
Who is still on a vulnerable nodemailer
61% of last week’s 25.7M nodemailer downloads went to versions with known vulnerabilities.
From npm’s per-version download counts for the last 7 days, each version checked against OSV.dev. The versions checked cover over 99% of downloads.
Release lines
The newest release of each major line, from the registry. nodemailer doesn’t publish support dates we can check.
Newest advisories
The 5 most recently published, with the versions each one affects.
CriticalCVE-2026-90776 on OSV.dev (opens in a new tab)GHSA-prgh-xp8r-p3m5
Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)
Affects >= 9.1.0, < 10.0.5. Published Sep 30, 2026.
WarningCVE-2026-100699 on OSV.dev (opens in a new tab)GHSA-g57g-f23g-4646
Nodemailer: Quoted local-part can produce malformed envelope recipient through RFC 5322 comment parsing
Affects >= 9.1.0, < 10.0.9. Published Sep 29, 2026.
CriticalCVE-2026-100700 on OSV.dev (opens in a new tab)GHSA-v53p-9fqp-m79j
Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service
Affects < 10.0.6. Published Sep 29, 2026.
WarningCVE-2026-100702 on OSV.dev (opens in a new tab)GHSA-8vvx-rff5-p5rq
Nodemailer: Nested structured recipient arrays bypass the parser depth limit and cause stack exhaustion DoS
Affects < 10.0.2. Published Sep 29, 2026.
WarningCVE-2026-100701 on OSV.dev (opens in a new tab)GHSA-6vj9-mwq6-2f5v
Nodemailer: Process-global DNS cache reuses TLS `servername` across transports, enabling cross-tenant SMTP credential disclosure
Affects >= 5.0.0, < 10.0.2. Published Sep 28, 2026.
All 20 advisories are on OSV.dev (opens in a new tab).
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How this page is checked
StackPrism reads every OSV.dev advisory for nodemailer, merges duplicates filed under several ids, and asks OSV.dev which ones affect each version listed. Releases and their dates come from deps.dev, downloads from npm. No AI writes this page: every sentence comes from that data, refreshed every few hours.