Weaknesses of type CWE-346

588 results

Validação incorreta de origem em requisições cross-origin

A aplicação falha em validar corretamente a origem (domínio) de requisições HTTP, especialmente em cenários de CORS (Cross-Origin Resource Sharing) ou WebSockets. Um atacante pode contornar controles de segurança e executar ações em nome do usuário legítimo, ou acessar dados sensíveis que deveriam estar protegidos.

Example

Um banco implementa CORS permitindo qualquer origem (`Access-Control-Allow-Origin: *`) ou valida o header `Origin` de forma fraca (aceitando subdomínios descontrolados). Um site malicioso faz requisições ao banco em background enquanto o usuário está logado, roubando dados ou transferindo dinheiro.

How to mitigate

Valide a origem contra uma lista branca explícita de domínios confiáveis; implemente SameSite cookies; use tokens CSRF + verificação de origin no servidor; evite `Access-Control-Allow-Origin: *` em APIs sensíveis; valide o header `Origin` exatamente, sem wildcards ou regex permissivo.

CVE-2026-52842CRITICALLightpanda:URL parser misidentifies page origin for URLs containing @ in the path - Same-Origin Policy bypassEPSS 0.2%CVE-2026-17842MEDIUMInappropriate implementation in Chrome for iOS in Google Chrome on iOS prior to 151.0.7922.72 allowed a remote attacker who convinced a userEPSS 0.2%CVE-2026-17846MEDIUMInappropriate implementation in Media in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote attacker who had compromised the rEPSS 0.2%CVE-2024-6674HIGHData Leak through CORS Misconfiguration in parisneo/lollms-webuiEPSS 0.2%CVE-2026-66318HIGHMicrosoft Edge (Chromium-based) Information Disclosure VulnerabilityEPSS 0.2%CVE-2026-27579HIGHCollabPlatform : CORS Misconfiguration Allows Arbitrary Origin With Credentials Leading to Authenticated Account Data ExposureEPSS 0.2%CVE-2025-9265CRITICALAPI Authentication Bypass via Header Spoofing vulnerability in Kiloview NDI N30 ProductsEPSS 0.2%CVE-2022-50975HIGHMultiple Innomic VibroLine VLX and avibia AVLX allow unauthenticated access to device configurationEPSS 0.2%CVE-2026-13868MEDIUMInappropriate implementation in Network in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker who had compromised theEPSS 0.2%CVE-2026-17850MEDIUMInappropriate implementation in Permissions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy vEPSS 0.2%CVE-2026-17843MEDIUMInappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafteEPSS 0.2%CVE-2026-13838MEDIUMInappropriate implementation in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a craEPSS 0.2%CVE-2026-17852MEDIUMInappropriate implementation in Media Router in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy EPSS 0.2%CVE-2026-13839MEDIUMInappropriate implementation in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a craEPSS 0.2%CVE-2025-63386CRITICALA Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/setup endpoint. The endpointEPSS 0.2%CVE-2026-50168HIGHAngular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist BypassEPSS 0.2%CVE-2026-14046MEDIUMInappropriate implementation in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker to bypass same origiEPSS 0.2%CVE-2026-14079MEDIUMInsufficient policy enforcement in Network in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy viEPSS 0.2%CVE-2026-14057MEDIUMInappropriate implementation in FedCM in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a cEPSS 0.2%CVE-2025-56648MEDIUMnpm parcel 2.0.0-alpha and before has an Origin Validation Error vulnerability. Malicious websites can send XMLHTTPRequests to the applicatiEPSS 0.2%