Weaknesses of type CWE-639

1,841 results

Manipulação de identificador para acessar dados de outro usuário

A aplicação não valida adequadamente se o usuário autenticado tem permissão para acessar o recurso solicitado, permitindo que modifique parâmetros (como IDs) para acessar dados alheios. Por exemplo, ao mudar o ID de um pedido na URL de 123 para 456, consegue visualizar pedidos de outros clientes sem controle de acesso real.

Example

Um banco digital permite acessar extratos via URL /extrato?conta_id=5000. Se um usuário muda para conta_id=5001, consegue ver o extrato de outra pessoa apenas porque a aplicação valida apenas autenticação, não autorização específica para aquele recurso.

How to mitigate

Implemente verificação de autorização em cada acesso a recurso: valide se o usuário autenticado de fato possui permissão para aquele ID específico, comparando contra dados da sessão ou banco de dados. Use abstração (ex: 'minha conta' em vez de IDs diretos) e evite expor identificadores sequenciais previsíveis.

CVE-2023-6875CRITICALPOST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app APIEPSS 90.3%CVE-2024-46982HIGHCache Poisoning in next.jsEPSS 59.2%CVE-2026-55255HIGHLangflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's FlowEPSS 29.1%CVE-2023-48783MEDIUMAn Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting PortiPortal version 7.2.1 and below, version 7.0.6 andEPSS 22.2%CVE-2024-0264HIGHSourceCodester Clinic Queuing System LoginRegistration.php authorizationEPSS 18.2%CVE-2019-25487CRITICALSAPIDO RB-1732 V2.0.43 Remote Command Execution via formSysCmdEPSS 7.9%CVE-2026-7665MEDIUMEssential Addons for Elementor <= 6.6.4 - Missing Authorization to Unauthenticated Information Exposure via 'load_more' AJAX HandlerEPSS 7.2%CVE-2022-40319HIGHThe LISTSERV 17 web interface allows remote attackers to conduct Insecure Direct Object References (IDOR) attacks via a modified email addreEPSS 7.2%CVE-2025-3605CRITICALFrontend Login and Registration Blocks <= 1.1.1 - Unauthenticated Privilege Escalation via Account TakeoverEPSS 6.5%CVE-2026-41947CRITICALDify < 1.14.2 Authorization Bypass via Trace Configuration EndpointsEPSS 6.0%CVE-2026-33484HIGHLangflow has Unauthenticated IDOR on Image DownloadsEPSS 5.8%CVE-2025-5947CRITICALService Finder Bookings <= 6.0 - Authentication Bypass via User Switch CookieEPSS 4.5%CVE-2021-46416MEDIUMInsecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads to unauthorized user groups accessing due to insecurEPSS 4.2%CVE-2021-21012MEDIUMMagento Commerce Insecure Direct Object Reference Vulnerability Could Lead To Sensitive Information DisclosureEPSS 4.0%CVE-2024-12483MEDIUMDromara UJCMS User ID id authorizationEPSS 3.5%CVE-2022-31692CRITICALSpring Security, versions 5.7 prior to 5.7.5 and 5.6 prior to 5.6.9 could be susceptible to authorization rules bypass via forward or includEPSS 3.4%CVE-2026-41277HIGHFlowise: Mass Assignment in DocumentStore Create Endpoint Leads to Cross-Workspace Object Takeover (IDOR)EPSS 3.1%CVE-2022-1996CRITICALAuthorization Bypass Through User-Controlled Key in emicklei/go-restfulEPSS 2.9%CVE-2026-28788HIGHOpen WebUI's process_files_batch() endpoint missing ownership check, allows unauthorized file overwriteEPSS 2.9%CVE-2024-50483CRITICALWordPress Meetup plugin <= 0.1 - Broken Authentication vulnerabilityEPSS 2.4%