CVE-2026-111661CWE-306

CVE-2026-111661

Medium · published October 16, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
27.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00353 · 27.9th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-16T22:17Z
References (4)
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 17:39Z
    waynboot-mall through 2.0.0 Missing Authentication via /callback/email Mail Endpoint
    cvelistv5
  • 16 OCT 17:39Z
    waynboot-mall through 2.0.0 Missing Authentication via /callback/email Mail Endpoint
    cvelistv5