CVE-2026-112784

OpenCATS before 0.10.0 contains a missing authorization vulnerability in ajax/testEmailSettings.php that allows any authenticated user to send mail through the configured SMTP relay. Read-level users can supply testEmailAddress and fromAddress parameters to send the fixed test message to any recipient with a spoofed From address.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/testEmailSettings.php
https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd
https://github.com/opencats/OpenCATS/issues/720
https://github.com/opencats/OpenCATS/releases/tag/v0.10.0
https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-ajax-testemailsettings-php

Configurations

No configuration.

History

20 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 11:17

Updated : 2026-10-20 14:16

NVD link : CVE-2026-112784

Mitre link : CVE-2026-112784

CVE.ORG link : CVE-2026-112784

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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