CVE-2026-15192

MEDIUM 6.5

mettle sendportal APIv1 Webhooks mailjet missing authentication

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306 CWE-287
Vendor	mettle
Product	sendportal
Published	Jul 9, 2026
Last Updated	Jul 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

mettle / sendportal

3.0.0 3.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/377118 vuldb.com: https://vuldb.com/vuln/377118/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15192 vuldb.com: https://vuldb.com/submit/851624 github.com: https://github.com/mettle/sendportal/issues/340 github.com: https://github.com/mettle/sendportal/

Credits

🔍 Superman_04 (VulDB User) VulDB CNA Team