Fallos del tipo CWE-346

590 resultados

Validação incorreta de origem (Origin Validation Error)

A aplicação falha em validar corretamente a origem (origem HTTP, domínio, referência) de requisições ou recursos, permitindo que um atacante simule estar vindo de uma origem confiável. Isso quebra mecanismos de segurança como CORS, CSRF e validações de referência, abrindo porta para ataques cross-site.

Ejemplo

Um banco implementa proteção CSRF verificando se o header `Origin` é igual a `banco.com.br`, mas não valida subdomínios. Um atacante consegue fazer requisições de `falso.banco.com.br` que passam na validação e transferem dinheiro da vítima.

Cómo mitigar

Valide a origem de forma rigorosa usando whitelist explícita (não apenas prefixos ou sufixos), implemente tokens CSRF anti-previsíveis, configure CORS corretamente evitando `Access-Control-Allow-Origin: *`, e use SameSite cookies quando possível.

CVE-2026-94243HIGHApache Sling Security Bundle: RefererFilter accepts weaker-than-origin evidenceEPSS 0.1%CVE-2026-17997LOWInappropriate implementation in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the rendererEPSS 0.1%CVE-2026-55532HIGHPraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP serverEPSS 0.1%CVE-2026-20893HIGHOrigin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability EPSS 0.1%CVE-2026-41342HIGHOpenClaw < 2026.3.28 - Unauthenticated Discovery Endpoint Credential Exfiltration via Remote OnboardingEPSS 0.1%CVE-2026-17927MEDIUMInsufficient policy enforcement in DevTools in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a maEPSS 0.1%CVE-2026-10010MEDIUMInappropriate implementation in Input in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker who had compromised the EPSS 0.1%CVE-2026-74963MEDIUMSame-origin policy bypass in the Networking: Cookies componentEPSS 0.1%CVE-2026-74802HIGHSiYuan 3.7.3 Cross-Site WebSocket Hijacking via network proxyEPSS 0.1%CVE-2026-55529MEDIUMPraisonAI: Origin validation bypass in MCP HTTP Stream transport allows browser-mediated unauthenticated tool execution on local MCP serverEPSS 0.1%CVE-2025-2140MEDIUMIBM Engineering Requirements Management Doors Next spoofingEPSS 0.1%CVE-2026-74967MEDIUMSame-origin policy bypass in the Audio/Video: Playback componentEPSS 0.1%CVE-2026-66732HIGHSonic 3 A.I.R. Missing Source Address Validation in ConnectionManagerEPSS 0.1%CVE-2023-47194HIGHAn origin validation vulnerability in the Trend Micro Apex One security agent could allow a local attacker to escalate privileges on affecteEPSS 0.1%CVE-2023-47196HIGHAn origin validation vulnerability in the Trend Micro Apex One security agent could allow a local attacker to escalate privileges on affecteEPSS 0.1%CVE-2026-34777MEDIUMElectron: Incorrect origin passed to permission request handler for iframe requestsEPSS 0.1%CVE-2026-47703MEDIUMAdGuard Home: DoQ-to-UDP State Reduction and Source-Port OracleEPSS 0.1%CVE-2023-47195HIGHAn origin validation vulnerability in the Trend Micro Apex One security agent could allow a local attacker to escalate privileges on affecteEPSS 0.1%CVE-2023-47197HIGHAn origin validation vulnerability in the Trend Micro Apex One security agent could allow a local attacker to escalate privileges on affecteEPSS 0.1%CVE-2023-47200HIGHA plug-in manager origin validation vulnerability in the Trend Micro Apex One security agent could allow a local attacker to escalate privilEPSS 0.1%