{"id":"CVE-2026-112784","summary":"OpenCATS before 0.10.0 Missing Authorization via ajax/testEmailSettings.php","details":"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.","modified":"2026-10-21T02:55:52.416345542Z","published":"2026-10-20T10:41:33.303Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112784.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112784.json"},{"type":"PACKAGE","url":"https://github.com/opencats/OpenCATS"},{"type":"ARTICLE","url":"https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/ajax/testEmailSettings.php"},{"type":"FIX","url":"https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd"},{"type":"REPORT","url":"https://github.com/opencats/OpenCATS/issues/720"},{"type":"ADVISORY","url":"https://github.com/opencats/OpenCATS/releases/tag/v0.10.0"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112784"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-via-ajax-testemailsettings-php"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opencats/opencats","events":[{"introduced":"0"},{"fixed":"e8caaa631b0068ef17ed216be3a0526e7f951ca0"},{"fixed":"aa3b414c3672f5010ca26c44192aa8e72d3735bd"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"0.10.0"}]},{"range":[{"fixed":"aa3b414c3672f5010ca26c44192aa8e72d3735bd"}],"source":"REFERENCES_COMMIT"},{"original_tag":"v0.10.0","range":[{"fixed":"e8caaa631b0068ef17ed216be3a0526e7f951ca0"}],"source":"REFERENCES_TAG"}]}}],"versions":["0.9.7.4","0.9.7.3","v0.9.7.2","opencats-0.9.7","0.9.6","0.9.4-3","0.9.4-2","0.9.4-1","0.9.4","0.9.3-3","0.9.3-2","0.9.3-1","0.9.1a","opencats-0.9.3(final)","opencats-0.9.3(alpha)","opencats-0.9.3","0.9.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112784.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}