{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92003", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-09-15T11:43:17.522Z", "datePublished": "2026-09-15T11:43:19.403Z", "dateUpdated": "2026-09-15T12:32:06.515Z"}, "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>Affected versions of MISP do not consistently apply the existing authentication-failure logging throttle.</p>\n<p>Two API authentication failure branches wrote directly to the <code>Log</code> model:</p>\u2003- API requests with <strong>no authentication key</strong>;<br><div>\u2003- requests supplying an API key with an <strong>incorrect length</strong></div><div><strong><br></strong></div><p>Unlike other authentication failures, these paths bypassed <code>_shouldLog()</code>, so every request could create another durable <code>auth_fail</code> entry.</p>Version affected: \u22642.5.45<br>"}], "value": "Affected versions of MISP do not consistently apply the existing authentication-failure logging throttle.\n\n\nTwo API authentication failure branches wrote directly to the Log model:\n\n\u2003- API requests with no authentication key;\n\u2003- requests supplying an API key with an incorrect length\n\n\n\n\nUnlike other authentication failures, these paths bypassed _shouldLog(), so every request could create another durable auth_fail entry.\n\nVersion affected: \u22642.5.45"}], "impacts": [{"capecId": "CAPEC-125", "descriptions": [{"lang": "en", "value": "CAPEC-125 Flooding"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.9, "baseSeverity": "MEDIUM", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "shortName": "CIRCL", "dateUpdated": "2026-09-15T11:43:19.403Z"}, "references": [{"name": "Security patch", "tags": ["patch"], "url": "https://github.com/MISP/MISP/commit/2bf887433"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The fix applies the existing hourly per-key log throttle to the two previously unguarded authentication-failure log writes. 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