CVE-2026-15192 | A vulnerability has been found in mettle sendportal up to 3.… | CVSS 6.5 MEDIUM

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.

Metadata

CVE ID: CVE-2026-15192
State: PUBLISHED
Assigner: VulDB
Reserved: 2026-07-09 05:36 UTC
Published: 2026-07-09 16:30 UTC
Last updated: 2026-07-09 18:08 UTC
Primary CWE: CWE-306
Missing Authentication
Vendor / Product: mettle / sendportal
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
mettle	sendportal	—	3.0.0, 3.0.1

Weakness (CWE)

CWE	Source	Description
CWE-287	cna	Improper Authentication
CWE-306	cna	Missing Authentication

CVSS scores (4)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.5	MEDIUM	3.1	cna	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
6.5	MEDIUM	3.0	cna	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
6.4	N/D	2.0	cna	AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR

References (6)

VDB-377118 | mettle sendportal APIv1 Webhooks mailjet missing authentication https://vuldb.com/vuln/377118
VDB-377118 | CTI Indicators (IOB, IOC, IOA) https://vuldb.com/vuln/377118/cti
CVE-2026-15192 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-15192
Submit #851624 | Mettle sendportal Latest Improper Authentication https://vuldb.com/submit/851624
https://github.com/mettle/sendportal/issues/340
https://github.com/mettle/sendportal/