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A logic error in the MISP CRUD component delete handler allowed validation failures to be bypassed when requests used the HTTP DELETE method. Due to missing parentheses in the delete condition, the expression was evaluated as ($validationError === null && POST) || DELETE, meaning a DELETE request could proceed even when the delete validation callback had rejected the operation. An authenticated attacker with access to an affected delete endpoint could abuse this flaw to delete records that should have been protected by application-level validation or authorization checks.
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Title: MISP, Description: Un error lógico en el gestor de eliminación del componente CRUD de MISP permitía eludir fallos de validación cuando las solicitudes utilizaban el método HTTP DELETE. Debido a la falta de paréntesis en la condición de eliminación, la expresión se evaluaba como ($validationError === null && POST) || DELETE, lo que significaba que una solicitud DELETE podía continuar incluso cuando la devolución de llamada de validación de eliminación había rechazado la operación. Un atacante autenticado con acceso a un punto final de eliminación afectado podía abusar de esta vulnerabilidad para eliminar registros que deberían haber estado protegidos por validaciones o comprobaciones de autorización a nivel de aplicación.
CPE Deprecation Remap by NIST6/22/2026 3:23:18 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:* versions from (excluding) 2.5.39
OR
*cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:* versions from (excluding) 2.5.39
A logic error in the MISP CRUD component delete handler allowed validation failures to be bypassed when requests used the HTTP DELETE method. Due to missing parentheses in the delete condition, the expression was evaluated as ($validationError === null && POST) || DELETE, meaning a DELETE request could proceed even when the delete validation callback had rejected the operation. An authenticated attacker with access to an affected delete endpoint could abuse this flaw to delete records that should have been protected by application-level validation or authorization checks.