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TI-2026-75447 Aliases CVE-2026-111661GHSA-xgfp-xxg8-vfxp

Missing authentication in waynboot-mall lets attackers send email

Priority LOW 36CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

waynboot-mall through 2.0.0 by wayn111 contains a missing authentication flaw (CWE-306) in its email callback. An unauthenticated remote attacker can send arbitrary email by posting a subject, content and recipient to the /callback/email endpoint, sending messages from the operator's SMTP account for phishing, spam and mail quota exhaustion.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wayn111waynboot-mallup to 2.0.0—No fix listedCNA
  • waynboot-mall Vendorwayn111 Affected up to 2.0.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for waynboot-mall. Restrict access to the /callback/email endpoint until a fix is available.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111661
  2. 2026-10-16 Alias added: GHSA-xgfp-xxg8-vfxp
  3. 2026-10-18 CISA SSVC decision points changed
  4. 2026-10-18 Priority changed: MEDIUM → LOW

References

Advisory 1

Other 2

  • TI-2026-75446 Missing authentication in waynboot-mall lets attackers cancel orders CVSS 4.0MEDIUM 6.9
  • TI-2026-75445 Missing authentication in Waynboot-mall allows forged orders CVSS 4.0MEDIUM 6.9
  • TI-2026-72011 Insecure direct object reference in waynboot-mall mobile cart endpoints CVSS 4.0MEDIUM 5.3
  • TI-2026-72010 Insecure direct object reference in waynboot-mall address endpoints CVSS 4.0MEDIUM 5.3
  • TI-2026-72009 Insecure direct object reference in waynboot-mall exposes member orders CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences