Weaknesses of type CWE-284

7,097 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-2026-42163CRITICALMahara before 25.04.5 and 26.04.0 is vulnerable to unauthorized access to internal accounts via Learning Tools Interoperability (LTI) under EPSS 0.5%CVE-2026-8033MEDIUMPicoTronica e-Clinic Healthcare System ECHS Response Header v2 information disclosureEPSS 0.5%CVE-2026-86672MEDIUMningzichun Student Management System Backup example.7z information disclosureEPSS 0.5%CVE-2026-19356MEDIUMMingSoft MCMS ms-mdiy list information disclosureEPSS 0.5%CVE-2024-47910HIGHAn issue was discovered in SonarSource SonarQube before 9.9.5 LTA and 10.x before 10.5. A SonarQube user with the Administrator role can modEPSS 0.5%CVE-2024-24566MEDIUMLobe Chat unauthorized access to pluginsEPSS 0.5%CVE-2024-0965MEDIUMSimple Page Access Restriction <= 1.0.21 - Improper Access Control to Sensitive Information Exposure via REST APIEPSS 0.5%CVE-2025-25615MEDIUMUnifiedtransform 2.0 is vulnerable to Incorrect Access Control which allows viewing attendance list for all class sections.EPSS 0.5%CVE-2024-0969MEDIUMARMember <= 4.0.24 - Improper Access Control to Sensitive Information Exposure via REST APIEPSS 0.5%CVE-2026-25712HIGHGitea organization permission APIs expose private visibility informationEPSS 0.5%CVE-2026-24451HIGHGitea fork synchronization can expose private parent repository dataEPSS 0.5%CVE-2022-45166MEDIUMAn issue was discovered in Archibus Web Central 2022.03.01.107. A service exposed by the application accepts a set of user-controlled parameEPSS 0.5%CVE-2025-25004HIGHPowerShell Elevation of Privilege VulnerabilityEPSS 0.5%CVE-2024-13200MEDIUMwander-chu SpringBoot-Blog HTTP POST Request BaseInterceptor.java preHandle access controlEPSS 0.5%CVE-2026-32995HIGHThe Rocket.Chat DDP method autoTranslate.translateMessage in versions <8.5.0, <8.4.2, <8.3.4, <8.2.4, <8.1.5, <8.0.5, <7.13.8, and <7.10.12 EPSS 0.5%CVE-2026-67431HIGHMCP Ruby SDK: Ruby SSE Session PoisoningEPSS 0.5%CVE-2025-63667HIGHIncorrect access control in SIMICAM v1.16.41-20250725, KEVIEW v1.14.92-20241120, ASECAM v1.14.10-20240725 allows attackers to access sensitiEPSS 0.5%CVE-2026-2164MEDIUMdetronetdip E-commerce addadhar.php unrestricted uploadEPSS 0.5%CVE-2024-38909CRITICALStudio 42 elFinder 2.1.64 is vulnerable to Incorrect Access Control. Copying files with an unauthorized extension between server directoriesEPSS 0.5%CVE-2026-58508CRITICALTwo SSRF vulnerabilities in Gitea migration/mirror (DNS rebinding + missing re-validation)EPSS 0.5%