{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-26744", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-02-24T15:53:13.623Z", "dateReserved": "2026-02-16T00:00:00.000Z", "datePublished": "2026-02-19T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-02-19T21:20:57.987Z"}, "descriptions": [{"lang": "en", "value": "A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are registered in the system through observable response discrepancy."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/formalms/formalms.git"}, {"url": "https://github.com/lorenzobruno7/CVE-2026-26744"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-204", "lang": "en", "description": "CWE-204 Observable Response Discrepancy"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-02-24T15:51:54.616929Z", "id": "CVE-2026-26744", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-24T15:53:13.623Z"}}]}, "dataVersion": "5.2"}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are registered in the system through observable response discrepancy."}, {"lang": "es", "value": "Hay una vulnerabilidad de enumeraci\u00f3n de usuarios en FormaLMS 4.1.18 y versiones anteriores en la funcionalidad de recuperaci\u00f3n de contrase\u00f1a accesible a trav\u00e9s del endpoint /lostpwd. La aplicaci\u00f3n devuelve mensajes de error diferentes para nombres de usuario v\u00e1lidos e inv\u00e1lidos, permitiendo a un atacante no autenticado determinar qu\u00e9 nombres de usuario est\u00e1n registrados en el sistema a trav\u00e9s de la discrepancia observable en la respuesta."}], "id": "CVE-2026-26744", "lastModified": "2026-02-24T17:29:03.207", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-02-19T22:16:47.627", "references": [{"source": "cve@mitre.org", "url": "https://github.com/formalms/formalms.git"}, {"source": "cve@mitre.org", "url": "https://github.com/lorenzobruno7/CVE-2026-26744"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-204"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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{"created": "2026-02-20T10:11:32.536701+00:00", "updated": "2026-02-20T10:11:32.536879+00:00", "vendors": ["formalms", "formalms$PRODUCT$formalms"]}