CVE-2026-111661

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.

CVSS 4.0

6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2026-10-16

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• 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
• https://github.com/wayn111/waynboot-mall/blob/v2.0.0/waynboot-mobile-api/src/main/java/com/wayn/mobile/framework/config/SecurityConfig.java#L66
• https://hackmd.io/@hieuPenguinnn/waynboot-mall-unauth-callback-order-forgery-cancel-mail-relay
• https://www.vulncheck.com/advisories/waynboot-mall-through-2.0.0-missing-authentication-via-callback-email-mail-endpoint

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