CVE-2026-82662
8.3
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
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 client secrets, refresh tokens, and access tokens transmitted over compromised HTTPS connections.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nodemailer | nodemailer | 0 < 8.0.8 | affected |
| nodemailer | nodemailer | 8.0.8 | unaffected |
Weaknesses
- CWE-295: Improper Certificate Validation
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
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