Threats Tagged 'cve-2026-82854'
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Threats Tagged 'cve-2026-82854'
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Nodemailer before 8.0.4 is vulnerable to SMTP command injection through the unsanitized envelope.size parameter. (CVE-2026-82854)CVE-2026-82854 0 Nodemailer before 8.0.4 is vulnerable to SMTP command injection through the unsanitized envelope.size parameter. When an application passes a custom envelope object with a size property containing CRLF characters to sendMail(), the value is concatenated into the SMTP MAIL FROM command (as SIZE=...) without sanitization, allowing injection of arbitrary SMTP commands such as RCPT TO to silently add attacker-controlled recipients. Exploitation requires the application to expose the envelope size to attacker-controlled input, as Nodemailer does not include size in the default auto-constructed envelope. Join the discussion | GCVE Database | 08/31/2026, 09:30:30 UTC Added: 08/31/2026, 15:42:41 UTC |
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