{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85216", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-09-03T13:59:30.683Z", "datePublished": "2026-09-03T13:59:35.450Z", "dateUpdated": "2026-09-03T14:26:45.642Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "misp", "repo": "https://github.com/MISP/MISP/", "vendor": "misp", "versions": [{"lessThanOrEqual": "2.5.45", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "elhoim (David Andr\u00e9)"}, {"lang": "en", "type": "tool", "value": "Claude Opus 5 (1M context)"}, {"lang": "en", "type": "remediation developer", "value": "Andras Iklody"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<h3></h3><p>MISP contains an authentication bypass vulnerability in its LDAP and LinOTP authentication components due to insufficient validation of user-supplied credentials.</p><p>The custom <code>LdapAuthenticate</code> and <code>LinOTPAuthenticate</code> components replace CakePHP's <code>FormAuthenticate</code> implementation but did not replicate its credential validation checks. 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