high6.5
CVE-2026-82662
Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 t…
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | nodemailer | <= 8.0.7 | 8.0.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-r7g4-qg5f-qqm2
- https://github.com/nodemailer/nodemailer/security/advisories/GHSA-r7g4-qg5f-qqm2
- https://nvd.nist.gov/vuln/detail/CVE-2026-82662
- https://www.vulncheck.com/advisories/nodemailer-before-8.0.8-tls-certificate-validation-bypass