Falhas do tipo CWE-346

696 resultados

Validação inadequada de origem (CORS/mesma origem)

A aplicação falha em validar corretamente a origem (domain/protocolo/porta) das requisições, permitindo que código malicioso de outros domínios acesse recursos protegidos. Isso quebra a política de mesma origem do navegador e pode expor dados sensíveis ou permitir ações não autorizadas.

Exemplo

Um servidor aceita qualquer valor no header Origin sem validação, ou valida de forma fraca (ex: substring matching). Um atacante hospeda um site malicioso que, ao ser visitado, faz requisições CORS para a aplicação vulnerável e consegue ler dados da vítima autenticada.

Como mitigar

Implemente validação rigorosa de origem: compare o header Origin contra uma whitelist explícita de domínios confiáveis (nunca use wildcards), valide protocolo e porta também, e desative CORS se não for necessário. Use credenciais com cautela em requisições cross-origin (credenciais + Access-Control-Allow-Origin: * é inseguro).

CVE-2025-9180HIGHSame-origin policy bypass in the Graphics: Canvas2D componentEPSS 0.3%CVE-2026-66298HIGHJS-view sandboxed output can synthesize keyboard events to trigger unconfirmed global shortcutsEPSS 0.3%CVE-2026-5283MEDIUMInappropriate implementation in ANGLE in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to leak cross-origin data via a craEPSS 0.3%CVE-2025-5263MEDIUMError handling for script execution was incorrectly isolated from web contentEPSS 0.3%CVE-2026-59208HIGHn8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity ResolutionEPSS 0.3%CVE-2026-59153LOWAnki's local HTTP server does not sufficiently validate requestsEPSS 0.3%CVE-2026-55637HIGHgenieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transportEPSS 0.3%CVE-2023-28318MEDIUMA vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message_KeepHistory or Message_ShowDeleteEPSS 0.3%CVE-2023-3581MEDIUMWebSockets accept connections from HTTPS originEPSS 0.3%CVE-2026-10996MEDIUMInappropriate implementation in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via aEPSS 0.3%CVE-2026-116254MEDIUMrathena FluxCP PayPal IPN PaymentNotifyRequest.php verifyiprange origin validationEPSS 0.3%CVE-2026-47194HIGHFrappe: Host header poisoning can redirect magic login links to an attacker-controlled domainEPSS 0.3%CVE-2024-44212MEDIUMA cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1, iOS 18.1 and iPadOS 18.1, macOS EPSS 0.3%CVE-2024-55917HIGHAn origin validation error vulnerability in Trend Micro Apex One could allow a local attacker to escalate privileges on affected installatioEPSS 0.3%CVE-2024-24557MEDIUMMoby classic builder cache poisoningEPSS 0.3%CVE-2024-6674HIGHData Leak through CORS Misconfiguration in parisneo/lollms-webuiEPSS 0.3%CVE-2026-92702CRITICALCocos AI: Intra-handshake attested TLS implementation can accept Evidence with nil, empty, or omitted reportData in the AMD SEV-SNP pathEPSS 0.3%CVE-2026-50025MEDIUMMousehole: Unauthenticated HTTP/WebSocket boundary exposes and mutates MAM cookie stateEPSS 0.3%CVE-2026-37977LOWKeycloak: org.keycloak.protocol.oidc.grants.ciba: keycloak: information disclosure via cors header injection due to unvalidated jwt azp claimEPSS 0.3%CVE-2025-8881MEDIUMInappropriate implementation in File Picker in Google Chrome prior to 139.0.7258.127 allowed a remote attacker who convinced a user to engagEPSS 0.3%