{"id":"CVE-2026-82662","revision":"9490289eb6ea4c16ab12413e2f5b3d28","records":[{"revision":"9490289eb6ea4c16ab12413e2f5b3d28","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-82662","aliases":[],"title":"Nodemailer before 8.0.8 TLS Certificate Validation Bypass","description":"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 client secrets, refresh tokens, and access tokens transmitted over compromised HTTPS connections.","state":0,"publishedAt":"2026-08-31T08:46:26.978+00:00","modifiedAt":"2026-09-01T15:00:58.358+00:00","affected":[{"ecosystem":"Vendor product","name":"nodemailer","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nodemailer\",\n                    \"product\": \"nodemailer\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/nodemailer\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"8.0.8\"\n                        },\n                        {\n                            \"version\": \"8.0.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","score":8.3,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/nodemailer/nodemailer/security/advisories/GHSA-r7g4-qg5f-qqm2","https://www.vulncheck.com/advisories/nodemailer-before-8.0.8-tls-certificate-validation-bypass"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-82662","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-82662","identifiers":["CVE-2026-82662"]},"retained":false,"historicalAffected":[]}],"coverage":[]}