{"schema_version":1,"title":"nodemailer (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 17 vulnerabilities in nodemailer (npm): 0 in the last 7 days and 15 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Nodemailer addressparser RFC 5322 comment parsing bypass, was published on 23 October 2026. 8 vulnerabilities in the last four weeks, up 100% on the four before (4).","url":"https://junglewise.ai/threats/technologies/npm-nodemailer","json_url":"https://junglewise.ai/threats/technologies/npm-nodemailer.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/npm-nodemailer","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":5,"all_time":17,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":8,"last_90_days":15,"last_365_days":17},"latest":[{"cvss":6.5,"slug":"nodemailer-a-nested-comment-ends-early-in-addressparser-releasing-the-4e80613c","title":"Nodemailer addressparser RFC 5322 comment parsing bypass","severity":"medium","exploited":false,"published_at":"2026-10-23T21:53:04+00:00","url":"https://junglewise.ai/threats/nodemailer-a-nested-comment-ends-early-in-addressparser-releasing-the-4e80613c"},{"cvss":6.5,"slug":"nodemailer-a-inside-a-quoted-string-or-comment-ends-an-address-group-b8b045f9","title":"Nodemailer addressparser group terminator bypass in quoted strings","severity":"medium","exploited":false,"published_at":"2026-10-23T21:51:52+00:00","url":"https://junglewise.ai/threats/nodemailer-a-inside-a-quoted-string-or-comment-ends-an-address-group-b8b045f9"},{"cvss":6.5,"slug":"nodemailer-a-inside-a-quoted-local-part-ends-an-angle-addr-early-in-28663cfb","title":"Nodemailer addressparser angle-addr parsing bypass","severity":"medium","exploited":false,"published_at":"2026-10-23T21:51:18+00:00","url":"https://junglewise.ai/threats/nodemailer-a-inside-a-quoted-local-part-ends-an-angle-addr-early-in-28663cfb"},{"cvss":6.5,"slug":"duplicate-advisory-nodemailer-quadratic-o-n-2-dkim-header-unfolding-a2b86ca5","title":"Nodemailer quadratic DKIM header unfolding denial of service","severity":"medium","exploited":false,"published_at":"2026-10-15T00:31:19+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-nodemailer-quadratic-o-n-2-dkim-header-unfolding-a2b86ca5"},{"cve":"CVE-2026-110872","cvss":5.9,"epss":0.0036,"slug":"cve-2026-110872-nodemailer-from-3-0-0-before-10-0-10-contains-a-quadratic","title":"Nodemailer SMTP parser denial of service","severity":"medium","exploited":false,"published_at":"2026-10-14T23:17:29.097+00:00","url":"https://junglewise.ai/threats/cve-2026-110872-nodemailer-from-3-0-0-before-10-0-10-contains-a-quadratic"},{"cve":"CVE-2026-110871","cvss":6.5,"epss":0.0025,"slug":"cve-2026-110871-nodemailer-from-3-0-0-before-10-0-10-contains-a-denial-of","title":"Nodemailer quadratic complexity in DKIM header unfolding","severity":"medium","exploited":false,"published_at":"2026-10-14T23:17:28.953+00:00","url":"https://junglewise.ai/threats/cve-2026-110871-nodemailer-from-3-0-0-before-10-0-10-contains-a-denial-of"},{"cve":"CVE-2026-110870","cvss":5.3,"epss":0.0027,"slug":"cve-2026-110870-nodemailer-from-3-0-0-before-10-0-13-contains-an-improper-input","title":"Nodemailer improper input validation in address parser","severity":"medium","exploited":false,"published_at":"2026-10-14T23:17:28.813+00:00","url":"https://junglewise.ai/threats/cve-2026-110870-nodemailer-from-3-0-0-before-10-0-13-contains-an-improper-input"},{"cve":"CVE-2026-110869","cvss":7.5,"epss":0.0037,"slug":"cve-2026-110869-nodemailer-3-0-0-before-10-0-13-has-a-regular-expression-denial","title":"Nodemailer regular expression denial of service in SMTP AUTH detection","severity":"high","exploited":false,"published_at":"2026-10-14T23:17:28.673+00:00","url":"https://junglewise.ai/threats/cve-2026-110869-nodemailer-3-0-0-before-10-0-13-has-a-regular-expression-denial"},{"cve":"CVE-2026-100702","cvss":5.9,"epss":0.0025,"slug":"cve-2026-100702-nodemailer-before-10-0-2-fails-to-properly-flatten-deeply-nested","title":"Nodemailer stack exhaustion in recipient array flattening","severity":"medium","exploited":false,"published_at":"2026-09-26T14:16:55.28+00:00","url":"https://junglewise.ai/threats/cve-2026-100702-nodemailer-before-10-0-2-fails-to-properly-flatten-deeply-nested"},{"cve":"CVE-2026-100701","cvss":5.9,"epss":0.0011,"slug":"cve-2026-100701-nodemailer-versions-5-0-0-through-10-0-1-use-a-process-global","title":"Nodemailer TLS servername cache confusion vulnerability","severity":"medium","exploited":false,"published_at":"2026-09-26T14:16:55.143+00:00","url":"https://junglewise.ai/threats/cve-2026-100701-nodemailer-versions-5-0-0-through-10-0-1-use-a-process-global"},{"cve":"CVE-2026-100700","cvss":7.5,"epss":0.0028,"slug":"cve-2026-100700-nodemailer-before-10-0-6-contains-a-denial-of-service","title":"nodemailer addressparser regular expression denial of service","severity":"high","exploited":false,"published_at":"2026-09-26T14:16:55.007+00:00","url":"https://junglewise.ai/threats/cve-2026-100700-nodemailer-before-10-0-6-contains-a-denial-of-service"},{"cve":"CVE-2026-100699","cvss":5.3,"epss":0.0019,"slug":"cve-2026-100699-nodemailer-is-a-node-js-email-sending-library-in-versions-9-1-0","title":"Nodemailer address parser malformed recipient in RFC 5322 comments","severity":"medium","exploited":false,"published_at":"2026-09-26T14:16:54.867+00:00","url":"https://junglewise.ai/threats/cve-2026-100699-nodemailer-is-a-node-js-email-sending-library-in-versions-9-1-0"},{"cvss":7.5,"slug":"duplicate-advisory-nodemailer-addressparser-o-n-2-on-comment-joined-7e26ae29","title":"Nodemailer addressparser O(n²) complexity denial of service","severity":"high","exploited":false,"published_at":"2026-09-13T12:31:12+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-nodemailer-addressparser-o-n-2-on-comment-joined-7e26ae29"},{"cve":"CVE-2026-90776","cvss":7.5,"epss":0.0068,"slug":"cve-2026-90776-nodemailer-quadratic-time-complexity-in-address-parser","title":"Nodemailer quadratic time complexity in address parser","severity":"high","exploited":false,"published_at":"2026-09-13T12:17:16.547+00:00","url":"https://junglewise.ai/threats/cve-2026-90776-nodemailer-quadratic-time-complexity-in-address-parser"},{"cvss":6.5,"slug":"duplicate-advisory-nodemailer-improper-tls-certificate-validation-in-f2e6133e","title":"Duplicate Advisory: Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception","severity":"medium","exploited":false,"published_at":"2026-08-31T09:30:29+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-nodemailer-improper-tls-certificate-validation-in-f2e6133e"},{"cvss":3.1,"slug":"nodemailer-denial-of-service-in-address-parser-2820868a","title":"Nodemailer denial of service in address parser","severity":"low","exploited":false,"published_at":"2025-12-18T09:30:30+00:00","url":"https://junglewise.ai/threats/nodemailer-denial-of-service-in-address-parser-2820868a"},{"cve":"CVE-2025-13033","cvss":7.5,"epss":0.0054,"slug":"cve-2025-13033-nodemailer-improper-email-parsing-in-addressparser","title":"Nodemailer improper email parsing in addressparser","severity":"high","exploited":false,"published_at":"2025-11-14T20:15:45.957+00:00","url":"https://junglewise.ai/threats/cve-2025-13033-nodemailer-improper-email-parsing-in-addressparser"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":4},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":5},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"openclaw (npm)","slug":"npm-openclaw","vulnerabilities":214,"url":"https://junglewise.ai/threats/technologies/npm-openclaw"},{"name":"flowise (npm)","slug":"flowise","vulnerabilities":133,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":117,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":111,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"electron (npm)","slug":"electron","vulnerabilities":77,"url":"https://junglewise.ai/threats/technologies/electron"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":74,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"n8n (npm)","slug":"npm-n8n","vulnerabilities":64,"url":"https://junglewise.ai/threats/technologies/npm-n8n"},{"name":"hono (npm)","slug":"hono","vulnerabilities":62,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"directus (npm)","slug":"directus","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"undici (npm)","slug":"undici","vulnerabilities":53,"url":"https://junglewise.ai/threats/technologies/undici"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/budibase-server"}],"technology":{"hub":true,"name":"nodemailer (npm)","slug":"npm-nodemailer","vendor":{"hub":true,"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"description":"Node.js library for sending emails via SMTP, Sendmail, and other transports.","url":"https://junglewise.ai/threats/technologies/npm-nodemailer"},"most_severe":[{"cve":"CVE-2026-90776","cvss":7.5,"epss":0.0068,"slug":"cve-2026-90776-nodemailer-quadratic-time-complexity-in-address-parser","title":"Nodemailer quadratic time complexity in address parser","severity":"high","exploited":false,"published_at":"2026-09-13T12:17:16.547+00:00","url":"https://junglewise.ai/threats/cve-2026-90776-nodemailer-quadratic-time-complexity-in-address-parser"},{"cve":"CVE-2025-13033","cvss":7.5,"epss":0.0054,"slug":"cve-2025-13033-nodemailer-improper-email-parsing-in-addressparser","title":"Nodemailer improper email parsing in addressparser","severity":"high","exploited":false,"published_at":"2025-11-14T20:15:45.957+00:00","url":"https://junglewise.ai/threats/cve-2025-13033-nodemailer-improper-email-parsing-in-addressparser"},{"cve":"CVE-2026-110869","cvss":7.5,"epss":0.0037,"slug":"cve-2026-110869-nodemailer-3-0-0-before-10-0-13-has-a-regular-expression-denial","title":"Nodemailer regular expression denial of service in SMTP AUTH detection","severity":"high","exploited":false,"published_at":"2026-10-14T23:17:28.673+00:00","url":"https://junglewise.ai/threats/cve-2026-110869-nodemailer-3-0-0-before-10-0-13-has-a-regular-expression-denial"},{"cve":"CVE-2026-100700","cvss":7.5,"epss":0.0028,"slug":"cve-2026-100700-nodemailer-before-10-0-6-contains-a-denial-of-service","title":"nodemailer addressparser regular expression denial of service","severity":"high","exploited":false,"published_at":"2026-09-26T14:16:55.007+00:00","url":"https://junglewise.ai/threats/cve-2026-100700-nodemailer-before-10-0-6-contains-a-denial-of-service"},{"cvss":7.5,"slug":"duplicate-advisory-nodemailer-addressparser-o-n-2-on-comment-joined-7e26ae29","title":"Nodemailer addressparser O(n²) complexity denial of service","severity":"high","exploited":false,"published_at":"2026-09-13T12:31:12+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-nodemailer-addressparser-o-n-2-on-comment-joined-7e26ae29"},{"cve":"CVE-2026-110871","cvss":6.5,"epss":0.0025,"slug":"cve-2026-110871-nodemailer-from-3-0-0-before-10-0-10-contains-a-denial-of","title":"Nodemailer quadratic complexity in DKIM header unfolding","severity":"medium","exploited":false,"published_at":"2026-10-14T23:17:28.953+00:00","url":"https://junglewise.ai/threats/cve-2026-110871-nodemailer-from-3-0-0-before-10-0-10-contains-a-denial-of"},{"cvss":6.5,"slug":"nodemailer-a-nested-comment-ends-early-in-addressparser-releasing-the-4e80613c","title":"Nodemailer addressparser RFC 5322 comment parsing bypass","severity":"medium","exploited":false,"published_at":"2026-10-23T21:53:04+00:00","url":"https://junglewise.ai/threats/nodemailer-a-nested-comment-ends-early-in-addressparser-releasing-the-4e80613c"},{"cvss":6.5,"slug":"nodemailer-a-inside-a-quoted-string-or-comment-ends-an-address-group-b8b045f9","title":"Nodemailer addressparser group terminator bypass in quoted strings","severity":"medium","exploited":false,"published_at":"2026-10-23T21:51:52+00:00","url":"https://junglewise.ai/threats/nodemailer-a-inside-a-quoted-string-or-comment-ends-an-address-group-b8b045f9"},{"cvss":6.5,"slug":"nodemailer-a-inside-a-quoted-local-part-ends-an-angle-addr-early-in-28663cfb","title":"Nodemailer addressparser angle-addr parsing bypass","severity":"medium","exploited":false,"published_at":"2026-10-23T21:51:18+00:00","url":"https://junglewise.ai/threats/nodemailer-a-inside-a-quoted-local-part-ends-an-angle-addr-early-in-28663cfb"},{"cvss":6.5,"slug":"duplicate-advisory-nodemailer-quadratic-o-n-2-dkim-header-unfolding-a2b86ca5","title":"Nodemailer quadratic DKIM header unfolding denial of service","severity":"medium","exploited":false,"published_at":"2026-10-15T00:31:19+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-nodemailer-quadratic-o-n-2-dkim-header-unfolding-a2b86ca5"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}