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CVE-2026-15192— mettle sendportal APIv1 Webhooks mailjet missing authentication

Quick assessment

Affected
mettle sendportal
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

mettle sendportal是mettle的电子邮件营销平台。 mettle sendportal 3.0.1及之前版本存在授权问题漏洞，该漏洞源于APIv1 Webhooks组件中sendgrid/postmark/postal/mailjet函数缺少身份验证，可能导致攻击者远程利用。

CVSS 6.5 · Medium EPSS 0.76% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
mettle sendportal 3.0.0 affected
3.0.1 affected
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I. Basic Information for CVE-2026-15192

Vulnerability Information
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Vulnerability Title
mettle sendportal APIv1 Webhooks mailjet missing authentication
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
mettle sendportal 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mettle sendportal是mettle的电子邮件营销平台。 mettle sendportal 3.0.1及之前版本存在授权问题漏洞，该漏洞源于APIv1 Webhooks组件中sendgrid/postmark/postal/mailjet函数缺少身份验证，可能导致攻击者远程利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mettle sendportal 3.0.0 cpe:2.3:a:mettle:sendportal:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15192

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III. Intelligence Information for CVE-2026-15192

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Vendor Advisories for CVE-2026-15192 (1)

Other References for CVE-2026-15192 (1)

IV. Related Vulnerabilities

Same product: sendportal
Same vendor: mettle
Same weakness: CWE-306

V. Comments for CVE-2026-15192

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