CVE-2026-15192 mettle sendportal APIv1 Webhooks mailjet missing authentication
Attackers can access sendportal APIv1 Webhooks without authentication, bypassing security controls in the mailjet integration.
- 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-2026-15192?
CVE-2026-15192 is a medium-severity missing authorization vulnerability in mettle sendportal, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in mettle sendportal up to 3.0.1. This issue affects the function sendgrid/postmark/postal/mailjet of the component APIv1 Webhooks. The manipulation leads to missing authentication. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-15192?
How do I fix CVE-2026-15192?
No fix has been published for CVE-2026-15192 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-2026-15192 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15192 exists.
Sources
Also known as GHSA-qcqf-phv4-c959.