Medium severity4.3NVD Advisory· Published Oct 20, 2026· Updated Oct 20, 2026
CVE-2026-112784
CVE-2026-112784
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.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/testEmailSettings.phpnvd
- github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bdnvd
- github.com/opencats/OpenCATS/issues/720nvd
- github.com/opencats/OpenCATS/releases/tag/v0.10.0nvd
- www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-ajax-testemailsettings-phpnvd
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