CVE-2026-111661 waynboot-mall through 2.0.0 Missing Authentication via /callback/email Mail Endpoint
Unauthenticated attackers can send arbitrary emails via the /callback/email endpoint, enabling phishing and spam campaigns.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111661?
CVE-2026-111661 is a medium-severity missing authorization vulnerability in wayn111 waynboot-mall, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-111661?
How do I fix CVE-2026-111661?
No fix has been published for CVE-2026-111661 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111661 being exploited?
There is no known exploitation of CVE-2026-111661 in the wild and no public exploit code.
Sources
Also known as GHSA-xgfp-xxg8-vfxp.