rootpwn

high · CVSS v3 5.9 · CVSS v4 8.2

CVE-2026-100702

Nodemailer before 10.0.2 fails to properly flatten deeply nested arrays in recipient fields such as to, cc, and bcc, all…

Description

Nodemailer before 10.0.2 fails to properly flatten deeply nested arrays in recipient fields such as to, cc, and bcc, allowing attackers to cause stack exhaustion. Attackers can supply a deeply nested JSON recipient array that triggers recursive Array.toString() conversion, exhausting the call stack and terminating the Node.js process.

Scores

Severity
high
CVSS v2
5.4
CVSS v3
5.9
CVSS v4
8.2
EPSS
—

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