Weaknesses of type CWE-290

721 results

Autenticação insuficiente contra falsificação de identidade

Ocorre quando o mecanismo de autenticação falha em validar corretamente a identidade do usuário ou cliente, permitindo que um atacante se passe por outra pessoa. A implementação não implementa verificações robustas (como criptografia, assinaturas digitais ou desafios aleatórios), deixando a autenticação vulnerável a spoofing.

Example

Um sistema de API que valida usuários apenas pelo campo 'nome de usuário' em um cabeçalho HTTP sem usar token, sessão ou assinatura criptográfica — um atacante altera o header e acessa dados de outros usuários. Ou um protocolo que aceita certificados autoassinados sem verificar a cadeia de confiança, autenticando servidores falsos.

How to mitigate

Use mecanismos de autenticação estabelecidos e testados: tokens JWT com assinatura, OAuth 2.0, ou mTLS. Sempre valide criptograficamente a identidade do cliente, nunca confie em cabeçalhos ou cookies não assinados. Implemente desafios multi-fator e revogue credenciais comprometidas rapidamente.

CVE-2026-39772MEDIUMWordPress Captcha by BestWebSoft plugin <= 5.2.8 - Bypass Vulnerability vulnerabilityEPSS 0.3%CVE-2025-30052HIGHAuthentication Bypass via IP Spoofing in CGM CLININET rsyncdEPSS 0.3%CVE-2026-116790CRITICALFreeSWITCH: Inbound ICE connectivity checks are accepted without verifying STUN MESSAGE-INTEGRITYEPSS 0.3%CVE-2024-45453LOWWordPress Maintenance Redirect plugin <= 2.0.1 - IP Bypass vulnerabilityEPSS 0.3%CVE-2023-49741LOWWordPress Coming soon and Maintenance mode plugin <= 3.7.3 - IP Filtering Bypass vulnerabilityEPSS 0.3%CVE-2026-119703MEDIUMxiaozhi-esp32-server through 0.9.8 Authentication Bypass via Spoofed Device-ID HeaderEPSS 0.3%CVE-2023-47769LOWWordPress WP Maintenance plugin <= 6.1.3 - IP Filtering Bypass vulnerabilityEPSS 0.3%CVE-2026-105215CRITICALZITADEL before 4.16.2 Account Pre-Hijacking via Forged External IdP CallbackEPSS 0.3%CVE-2026-110723HIGHIn `api-gateway` versions till `1.7.3`, The default rate-limit key resolver, `ClientIpKeyResolver`, derives the per-client bucket key from tEPSS 0.3%CVE-2025-68624MEDIUMN-able Mail Assure through April 2026 contains a design-level authorization flaw that allows an authenticated SMTP user to send outbound emaEPSS 0.3%CVE-2026-95523MEDIUMWordPress WP User Frontend plugin <= 4.3.11 - Bypass Vulnerability vulnerabilityEPSS 0.3%CVE-2026-49353HIGH9Router: Local-Only Access Gate Bypass in 9router via Host Header SpoofINGEPSS 0.3%CVE-2025-50328HIGHA vulnerability in B1 Free Archiver v1.5.86 allows files extracted from downloaded archives to bypass Windows Mark of the Web (MotW) protectEPSS 0.3%CVE-2024-31802MEDIUMDESIGNA ABACUS v.18 and before allows an attacker to bypass the payment process via a crafted QR code.EPSS 0.3%CVE-2025-11843HIGHTherefore™ Online and Therefore™ On-Premises contains an account impersonation issue, which could potentially allow the attacker to access all the stored dataEPSS 0.3%CVE-2026-92395CRITICAL@fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnetEPSS 0.3%CVE-2026-102895CRITICALGPUStack: Authentication bypass via trusted loopback source (reverse-proxy TCP peer or X-GPUStack-Real-IP header) grants unauthenticated adminEPSS 0.3%CVE-2025-50454MEDIUMAn Authentication Bypass vulnerability in Blue Access' Cobalt X1 thru 02.000.187 allows an unauthorized attacker to log into the applicationEPSS 0.3%CVE-2026-8644CRITICALIBM WebSphere Application Server is affected by an identity spoofing vulnerabilityEPSS 0.3%CVE-2025-32275MEDIUMWordPress Survey Maker plugin <= 5.1.6.3 - Bypass vulnerabilityEPSS 0.3%