{"id":"CVE-2026-82662","title":"Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests","summary":"Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","cwe":["CWE-295"],"vendor":"nodemailer","product":"nodemailer","affected":["nodemailer < 8.0.8"],"published":"2026-08-31","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:48:28.757","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82662","references":[{"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-r7g4-qg5f-qqm2","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nodemailer-before-8.0.8-tls-certificate-validation-bypass","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-r7g4-qg5f-qqm2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82662.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-82662"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2526199"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-82662"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82662"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-01T14:59:57.666500Z"},"ingestedAt":"2026-09-14T02:44:22.715Z","epss":0.00124,"epssPercentile":0.02456,"slug":"CVE-2026-82662","body":"## Overview\n\nNodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth client secrets, refresh tokens, and access tokens transmitted over compromised HTTPS connections.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Developer Hub, Self-service automation portal 2 · no fix planned: Red Hat Developer Hub, Self-service automation portal 2 · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-82662.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}