CVE-2026-112784 (GCVE-0-2026-112784)
Vulnerability from cvelistv5 – Published: 2026-10-20 10:41 – Updated: 2026-10-20 13:27
VLAI
EPSS
VEX
Title
OpenCATS before 0.10.0 Missing Authorization via ajax/testEmailSettings.php
Summary
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.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 13:26 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/opencats/OpenCATS/issues/720 | issue-tracking |
| https://github.com/opencats/OpenCATS/commit/aa3b4… | patch |
| https://github.com/opencats/OpenCATS/releases/tag… | release-notes |
| https://github.com/opencats/OpenCATS/blob/5781f41… | technical-description |
| https://www.vulncheck.com/advisories/opencats-bef… | third-party-advisory |
Impacted products
Date Public
2026-02-28 18:05
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