CVE-2026-111661
Received Received - Intake

Unauthenticated Email Sending in waynboot-mall

Publication date: 2026-10-16

Last updated on: 2026-10-16

Assigner: VulnCheck

Description
waynboot-mall through 2.0.0 contains a missing authentication vulnerability that allows unauthenticated attackers to send arbitrary email by calling the anonymously mapped /callback/email endpoint. Attackers can POST caller-supplied subject, content, and recipient to EmailController.sendEmail, sending messages from the operator's SMTP account for phishing, spam, and mail quota exhaustion.

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Meta Information

Published
2026-10-16
Last Modified
2026-10-16
Generated
2026-10-16
AI Q&A
2026-10-16
EPSS Evaluated
N/A
NVD
CVE-2026-111661
EUVD
EUVD-2026-103083

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wayn111 waynboot-mall 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

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Executive Summary

This vulnerability in waynboot-mall through 2.0.0 allows unauthenticated attackers to send arbitrary emails by accessing the /callback/email endpoint without authentication. Attackers can POST custom subject, content, and recipient details to trigger EmailController.sendEmail, sending messages from the operator's SMTP account.

Detection Guidance

Check for unauthorized POST requests to the /callback/email endpoint in waynboot-mall. Monitor SMTP logs for unusual outbound email activity originating from the application. Inspect network traffic for calls to EmailController.sendEmail with caller-supplied subject, content, or recipient fields.

Impact Analysis

This vulnerability can lead to phishing attacks, spam distribution, and mail quota exhaustion. Attackers may impersonate the operator to send malicious emails, potentially tricking recipients into disclosing sensitive information or installing malware.

Mitigation Strategies

Immediately restrict access to the /callback/email endpoint by implementing authentication. Update waynboot-mall to a patched version if available. Configure SMTP server rules to block unauthorized email sending from the application's account.

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