Fallos del tipo CWE-287

2855 resultados

Autenticação inadequada ou ausente

A aplicação não valida ou valida de forma insuficiente a identidade de quem tenta acessá-la. Quando um usuário diz ser quem é, o sistema acredita sem verificar corretamente, permitindo que atacantes se façam passar por outros usuários ou contas legítimas.

Ejemplo

Um sistema que aceita login apenas com nome de usuário, sem senha. Ou uma API que confia no header 'User-ID' enviado pelo cliente sem validar se aquele usuário realmente existe ou tem sessão ativa. Um atacante simplesmente altera o header e acessa dados de outra conta.

Cómo mitigar

Implemente autenticação robusta: exija múltiplos fatores (senha forte + MFA), valide credenciais contra base de dados segura, use sessões com token assinado e com expiração, nunca confie em dados enviados pelo cliente como prova de identidade. Revise regularmente logs de acesso para detectar abusos.

CVE-2026-19709MEDIUMMembership For WooCommerce < 3.1.2 - Unauthenticated Member Data Disclosure via REST Consumer Secret BypassEPSS 0.3%CVE-2026-77771HIGHminiOrange 2FA (Free & Pro) - 2FA Bypass via Session-Scoped OTP LockoutEPSS 0.3%CVE-2026-55759HIGHRocket.Chat: Apple Sign-In skips JWT claims validation, allowing expired and cross-audience token replayEPSS 0.3%CVE-2026-4582LOWShenzhen HCC Technology MPOS M6 PLUS Bluetooth missing authenticationEPSS 0.3%CVE-2026-41671MEDIUMAdmidio: OIDC Token Introspection Endpoint Returns Active for All Tokens Without ValidationEPSS 0.3%CVE-2023-29117HIGHAuthentication Bypass in JuiceBox Web Manager interfaceEPSS 0.3%CVE-2024-10474CRITICALFocus was incorrectly allowing internal links to utilize the app scheme used for deeplinking, which could result in links potentially circumEPSS 0.3%CVE-2026-15240HIGHCustomer Switching for WooCommerce < 2.1.3 - Customer+ Privilege Escalation to Administrator via Insecure Operator ResolutionEPSS 0.3%CVE-2026-118904HIGHIBM webMethods Integration Server is affected by vulnerabilty in backup code validation during 2FA Authentication.EPSS 0.3%CVE-2026-11923HIGHSecurity vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify AccessEPSS 0.3%CVE-2026-7844MEDIUMchatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authenticationEPSS 0.3%CVE-2026-87974MEDIUMAsaas Gateway for WooCommerce < 2.7.8 - Unauthenticated Order Payment Bypass via WebhookEPSS 0.3%CVE-2026-76548HIGHProfile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via Front-End Upload Auth BypassEPSS 0.3%CVE-2026-105212HIGHZITADEL before 3.4.14 and 4.16.2 Account Takeover via Passkey EnrollmentEPSS 0.3%CVE-2026-110862CRITICALBetter Auth 1.4.0-beta.18 before 1.7.7 Authentication Bypass via Magic LinkEPSS 0.3%CVE-2025-3659CRITICALImproper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAPEPSS 0.3%CVE-2024-41589HIGHDrayTek Vigor310 devices through 4.3.2.6 use unencrypted HTTP for authentication requests.EPSS 0.3%CVE-2022-34887MEDIUMStandard users can directly operate and set printer configuration information , such as IP, in some Lenovo Printers without having to authenEPSS 0.3%CVE-2026-49186HIGHLack of MQTT Broker Topic Access Control ListsEPSS 0.3%CVE-2026-8185MEDIUMUGREEN CM933 Administrative missing authenticationEPSS 0.3%