CVE-2026-46584 Apache Camel Mail: The mail producer applied attacker-supplied message headers as JavaMail session properties, allowing an attacker to influence SMTP parameters

Improper Input Validation, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Camel Mail Component. The camel-mail producer MailProducer.getSender scanned the outgoing Exchange for message headers in the mail.smtp. / mail.smtps. namespace and, when any were present...

CVE-2026-46584

CVE-2026-46584 affects Apache Camel’s Mail component. The MailProducer.getSender could read headers from the mail.smtp/mail.smtps namespace and apply them as JavaMail session properties, overriding endpoint config. This allows attacker-controlled inputs to influence SMTP parameters if untrusted i...