---
id: CVE-2026-111661
title: >-
  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
summary: >-
  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 subj…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-306
vendor: wayn111
product: waynboot-mall
affected:
  - waynboot-mall <= 2.0.0
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T22:17:21.930'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111661'
references:
  - url: >-
      https://github.com/wayn111/waynboot-mall/blob/v2.0.0/waynboot-mobile-api/src/main/java/com/wayn/mobile/api/controller/callback/EmailController.java#L32-L42
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/wayn111/waynboot-mall/blob/v2.0.0/waynboot-mobile-api/src/main/java/com/wayn/mobile/framework/config/SecurityConfig.java#L66
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/waynboot-mall-unauth-callback-order-forgery-cancel-mail-relay
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/waynboot-mall-through-2.0.0-missing-authentication-via-callback-email-mail-endpoint
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00353
epssPercentile: 0.29183
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-16T20:52:37.222863Z'
ingestedAt: '2026-10-16T18:43:08.672Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.