CVE-2026-112784
CVE-2026-112784 · OpenCATS before 0.10.0 Missing Authorization via ajax/testEmailSettings.php
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 5.3 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Affected products and versions
opencats
- Versions
- ≥ 0, < 0.10.0: Affected (custom)
Update to 0.10.0
Original sources
- https://github.com/opencats/OpenCATS/issues/720
- https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd
- https://github.com/opencats/OpenCATS/releases/tag/v0.10.0
- https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/testEmailSettings.php
- https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-ajax-testemailsettings-php
- https://nvd.nist.gov/vuln/detail/CVE-2026-112784