CVE-2026-82662

node-nodemailer: Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false...

CVE-2026-82662 is fixed in node-nodemailer on 1 platform by DEBIAN-CVE-2026-82662 (version 8.0.11+~8.0.1-1), released September 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0019

8th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
node-nodemailer · Debian 14	8.0.11+~8.0.1-1	DEBIAN-CVE-2026-82662	Sep 1, 2026

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