{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92002", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-09-15T11:24:19.778Z", "datePublished": "2026-09-15T11:24:21.354Z", "dateUpdated": "2026-09-15T12:09:48.540Z"}, "containers": {"cna": {"affected": [{"modules": ["app/Controller/AppController.php"], "product": "MISP", "programFiles": ["app/Controller/AppController.php"], "repo": "https://github.com/MISP/MISP", "vendor": "MISP", "versions": [{"lessThan": "2.5.46", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "remediation developer", "value": "iglocska"}, {"lang": "en", "type": "remediation developer", "value": "Claude Opus 5 (1M context)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p></p><p>Affected versions of MISP use Redis to throttle repeated authentication-failure log entries. The intent is to avoid excessive duplicate logs while still recording failed authentication activity.</p>\n<p>However, <code>User-&gt;setupRedis()</code> returns false when Redis cannot be reached. The vulnerable <code>_shouldLog()</code> logic only returned true when a Redis instance existed and no throttle key was present. Therefore, when Redis was unavailable, the function did not allow the log write at all, effectively silencing authentication-failure logging for the duration of the outage.</p><p>Version affected: \u22642.5.45<br></p><p></p>"}], "value": "Affected versions of MISP use Redis to throttle repeated authentication-failure log entries. The intent is to avoid excessive duplicate logs while still recording failed authentication activity.\n\n\nHowever, User->setupRedis() returns false when Redis cannot be reached. The vulnerable _shouldLog() logic only returned true when a Redis instance existed and no throttle key was present. 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