Weaknesses of type CWE-284

7,123 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-2019-15615—A wrong check for the system time in the Android App 3.9.0 causes a bypass of the lock protection when changing the time of the system to thEPSS 0.4%CVE-2025-62720HIGHLinkAce: Data Exfiltration via Export Functions Allow Access to All Users' Private LinksEPSS 0.4%CVE-2025-8738MEDIUMzlt2000 microservices-platform Spring Actuator Interface actuator information disclosureEPSS 0.4%CVE-2026-54761MEDIUMTraefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik servicesEPSS 0.4%CVE-2025-13785MEDIUMyungifez Skuul School Management System Image profile information disclosureEPSS 0.4%CVE-2025-9461MEDIUMdiyhi bbs File Compression FilePackageManageAction.java information disclosureEPSS 0.4%CVE-2026-29872HIGHA cross-session information disclosure vulnerability exists in the awesome-llm-apps project in commit e46690f99c3f08be80a9877fab52acacf7ab82EPSS 0.4%CVE-2026-83088HIGHVulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitableEPSS 0.4%CVE-2024-46916HIGHDiebold Nixdorf Vynamic Security Suite through 4.3.0 SR06 contains functionality that allows the removal of critical system files before theEPSS 0.4%CVE-2026-35162MEDIUMDell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Improper Access Control vulnerability. A low privileged attacker with remEPSS 0.4%CVE-2026-20883MEDIUMGitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information DisclosureEPSS 0.4%CVE-2024-34404MEDIUMA vulnerability was discovered in the Alta Recovery Vault feature of Veritas NetBackup before 10.4 and NetBackup Appliance before 5.4. By deEPSS 0.4%CVE-2024-45982HIGHA host header injection vulnerability in scheduleR v0.0.18 allows attackers to obtain the password reset token via user interaction with a cEPSS 0.4%CVE-2026-42863HIGHFlowise: Mass Assignment in Chatflow Update Endpoint Allows Cross-Workspace AgentFlow ReassignmentEPSS 0.4%CVE-2025-59932HIGHFlagForgeCTF Unauthenticated Resource Modification/DeletionEPSS 0.4%CVE-2023-50341HIGHImproper Access Control affects DRYiCE MyXalyticsEPSS 0.4%CVE-2023-6810MEDIUMClickCease Click Fraud Protection <= 3.2.4 - Improper Authorization to sensitive information exposure via get_settingsEPSS 0.4%CVE-2026-5107LOWFRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access controlEPSS 0.4%CVE-2026-42861HIGHFlowise: Mass Assignment in Variable Update Endpoint Allows Cross-Workspace Resource ReassignmentEPSS 0.4%CVE-2026-1197LOWMineAdmin downloadById information disclosureEPSS 0.4%