What is CVE-2026-15192?

CVE-2026-15192 is a medium-severity vulnerability in Mettle Sendportal, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-07-09.

How severe is CVE-2026-15192?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Mettle Sendportal

CVE-2026-15192

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.

Vulnerability class: Broken Authentication

EPSS: 0.006 (44.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Mettle Sendportal — versions 3.0.0, 3.0.1

Weakness classification (CWE)

References

cna@vuldb.com (product)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-15192?: CVE-2026-15192 is a medium-severity vulnerability in Mettle Sendportal, classified under Improper Authentication. CVSS score: 6.5/10. Published 2026-07-09.
How severe is CVE-2026-15192?: Medium severity. CVSS v3 base score is 6.5 out of 10.