CVE-2026-112784
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Oct 20, 2026
Vendor
unknown
Description
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.
References
- 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