{"schema":"threatline.record/2","record":{"id":"CVE-2026-100702","aliases":["GHSA-8vvx-rff5-p5rq"],"summary":"Nodemailer before 10.0.2 Stack Exhaustion via Nested Recipient Arrays","details":"Nodemailer before 10.0.2 fails to properly flatten deeply nested arrays in recipient fields such as to, cc, and bcc, allowing attackers to cause stack exhaustion. Attackers can supply a deeply nested JSON recipient array that triggers recursive Array.toString() conversion, exhausting the call stack and terminating the Node.js process.","categories":["Libraries & packages"],"product":"nodemailer","vendor":"nodemailer","ecosystem":"npm","affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100702","source_modified_at":"2026-09-26T23:11:16.551Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"nodemailer","vendor":"nodemailer","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"10.0.2"},{"version":"10.0.2","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-8vvx-rff5-p5rq","source_modified_at":"2026-09-29T18:30:42.037908406Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"nodemailer","purl":"pkg:npm/nodemailer"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"10.0.2"}],"type":"SEMVER"}],"versions":[]}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100702","source_modified_at":"2026-09-26T23:11:16.551Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"nodemailer","ecosystem":null},"version":"10.0.2","basis":"first unaffected version stated in the CVE record"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-8vvx-rff5-p5rq","source_modified_at":"2026-09-29T18:30:42.037908406Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"nodemailer","purl":"pkg:npm/nodemailer"},"version":"10.0.2"}],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0025,"percentile":0.15451,"score_date":"2026-10-23"},"published_at":"2026-09-26T13:23:57.945Z","modified_at":"2026-09-29T18:30:42.037908406Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100702","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-26T23:11:16.551Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-8vvx-rff5-p5rq","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-29T18:30:42.037908406Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100702","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-8vvx-rff5-p5rq","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/nodemailer-before-10.0.2-stack-exhaustion-via-nested-recipient-arrays","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-26T23:11:09.180121Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-29T18:30:42.037908406Z","content_hash":"d9ef62c97bfdad8858bc77630f921028dfdfe006b42c8c265b14f15273df7ef1"}}