{"schema":"threatline.record/2","record":{"id":"CVE-2026-110870","aliases":["GHSA-g73g-hqqh-jr95"],"summary":"Nodemailer before 10.0.13 Improper Input Validation via Angle-Bracket Address Comments","details":"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. Attackers can supply recipients like a display name with a parenthesized comment in the domain, so illegal characters reach envelope.to and RCPT TO, causing rejected delivery or parser interpretation conflicts that bypass domain allow-lists.","categories":["Unclassified"],"product":"nodemailer","vendor":"nodemailer","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110870","source_modified_at":"2026-10-14T22:52:58.787Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"nodemailer","vendor":"nodemailer","versions":[{"version":"3.0.0","status":"affected","versionType":"semver","lessThan":"10.0.13"},{"version":"10.0.13","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110870","source_modified_at":"2026-10-14T22:52:58.787Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"nodemailer","ecosystem":null},"version":"10.0.13","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0022,"percentile":0.11922,"score_date":"2026-10-23"},"published_at":"2026-10-14T22:52:58.787Z","modified_at":"2026-10-14T22:52:58.787Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110870","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T22:52:58.787Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110870","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-g73g-hqqh-jr95","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/nodemailer-before-10.0.13-improper-input-validation-via-angle-bracket-address-comments","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T22:52:58.787Z","content_hash":"0dd3a10e6cde42b6e3ee1bdb16438a93d84c50fb138679929c393a5ccc7df9c2"}}