Weaknesses of type CWE-284

7,098 results

Controle de acesso inadequado a recursos

A aplicação falha em validar ou impõe regras insuficientes para determinar quem pode acessar um recurso (arquivo, API, dados, funcionalidade). Um usuário não autorizado consegue contornar essas restrições e acessar o que não deveria, seja por falta de autenticação, autorização fraca ou lógica de controle de acesso bugada.

Example

Um sistema de gestão de RH permite que qualquer funcionário logado acesse `/api/salarios/{id}` substituindo o ID na URL. Sem verificar se o usuário é gestor ou RH, a API retorna dados salariais de qualquer pessoa da empresa. Um dev junior consegue ver quanto ganha o CTO.

How to mitigate

Implemente verificação explícita de permissões antes de qualquer acesso: confirme autenticação (quem é), autorização (o que pode fazer) e aplique o princípio do menor privilégio. Use listas de controle de acesso (ACL), roles bem definidos e sempre valide no backend, nunca confie em dados do cliente.

CVE-2025-10081MEDIUMSourceCodester Pet Management System profile.php unrestricted uploadEPSS 0.5%CVE-2026-78313MEDIUMImproper Access Control in DIAEnergieEPSS 0.5%CVE-2026-83103CRITICALVulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that aEPSS 0.5%CVE-2026-77541CRITICALA malicious actor with access to the network and high privileges could exploit an Improper Access Control vulnerability found in UniFi NetwoEPSS 0.5%CVE-2020-8973CRITICALZGR TPS200 NG Improper access controlEPSS 0.5%CVE-2026-83107CRITICALVulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode). Supported versions that aEPSS 0.5%CVE-2026-13174HIGHEventin < 4.1.21 - Contributor+ Speaker Account Deletion via IDOREPSS 0.5%CVE-2026-101055MEDIUMThinkware U3000 TCP Service GET_STATUS information disclosureEPSS 0.5%CVE-2026-20897CRITICALGitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)EPSS 0.5%CVE-2026-31834HIGHUmbraco Affected by Vertical Privilege Escalation via Missing Authorization ChecksEPSS 0.5%CVE-2017-20199LOWButtercup buttercup-browser-extension Vault access controlEPSS 0.5%CVE-2026-62540HIGHVulnerability in the Oracle Cost Management product of Oracle E-Business Suite (component: Cost Planning). Supported versions that are affeEPSS 0.5%CVE-2026-70861HIGHVulnerability in the PeopleSoft Enterprise FIN Common Objects Brazil product of Oracle PeopleSoft (component: Common Objects). The supportEPSS 0.5%CVE-2024-27790HIGHClaris International has resolved an issue of potentially allowing unauthorized access to records stored in databases hosted on FileMaker SeEPSS 0.5%CVE-2026-83082HIGHVulnerability in the Oracle Marketing product of Oracle E-Business Suite (component: Audience). Supported versions that are affected are 12EPSS 0.5%CVE-2026-20912CRITICALGitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment DisclosureEPSS 0.5%CVE-2025-5840MEDIUMSourceCodester Client Database Management System user_update_customer_order.php unrestricted uploadEPSS 0.5%CVE-2026-83063HIGHVulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that arEPSS 0.5%CVE-2026-44730HIGHOpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAddEPSS 0.5%CVE-2026-83229CRITICALVulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Siebel Management Console). Supported versions that areEPSS 0.5%