Is CVE-2026-82660 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-82660?

CVE-2026-82660 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-82660

Description

Nodemailer before 8.0.9 fails to enforce disableFileAccess and disableUrlAccess options during message normalization in jsonTransport. Attackers can read local files or fetch URLs by supplying path or href values in message content fields, bypassing intended access controls.