Falhas do tipo CWE-345

683 resultados

Verificação insuficiente de autenticidade de dados

A aplicação recebe dados de fontes externas (rede, arquivo, entrada do usuário) mas não valida adequadamente se eles realmente vieram de quem diz vir ou se não foram alterados no caminho. Isso permite que um atacante forje, intercepte ou modifique dados sem que o sistema detecte, comprometendo integridade e confiança.

Exemplo

Um serviço REST que confia cegamente em um campo 'user_id' vindo do cliente, sem verificar assinatura ou token, permitindo que alguém mude a URL para acessar dados de outro usuário. Ou um arquivo de configuração lido sem validar sua hash, permitindo execução de código malicioso se o arquivo for corrompido.

Como mitigar

Use mecanismos criptográficos de autenticação (HMAC, assinatura digital, certificados TLS) para garantir a origem e integridade dos dados. No lado do servidor, nunca confie em identificadores ou claims do cliente — valide contra seu próprio estado autorizado (sessão, JWT assinado, etc).

CVE-2026-63405MEDIUMAnyCable: Pusher REST API Does Not Verify Request Body MD5 Enabling Signed-Request Replay with Arbitrary BodyEPSS 0.2%CVE-2025-15598MEDIUMDataease SQLBot JWT Token auth.py validateEmbedded signature verificationEPSS 0.2%CVE-2026-19219HIGHDialogHandler UploadPaths Tampering Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.2%CVE-2022-36315MEDIUMWhen loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of previously cached entrieEPSS 0.2%CVE-2026-32231HIGHZeptoClaw: Generic webhook channel trusts caller-supplied identity fields; allowlist is checked against untrusted payload dataEPSS 0.2%CVE-2026-48781CRITICALPostiz has cross-tenant SUPERADMIN takeover via Skool-provider JWT forgeryEPSS 0.2%CVE-2026-44434MEDIUMQuicly is vulnerable to stateless reset injectionEPSS 0.2%CVE-2026-121545MEDIUMDreeve before 5.8.0 Missing Authentication in Strava Webhook POST HandlerEPSS 0.2%CVE-2026-55430MEDIUMCoder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data accessEPSS 0.2%CVE-2019-1880MEDIUMCisco Unified Computing System BIOS Signature Bypass VulnerabilityEPSS 0.2%CVE-2019-10157MEDIUMIt was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backEPSS 0.2%CVE-2026-92360MEDIUMag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validationEPSS 0.2%CVE-2022-46692MEDIUMA logic issue was addressed with improved state management. This issue is fixed in Safari 16.2, tvOS 16.2, iCloud for Windows 14.1, iOS 15.7EPSS 0.2%CVE-2026-73437MEDIUMOn affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper/destinatEPSS 0.2%CVE-2023-44402MEDIUMASAR Integrity bypass via filetype confusion in electronEPSS 0.2%CVE-2026-114050HIGHvLLM before 0.31.0 Remote Engine Crash via Forged Multimodal UUIDEPSS 0.2%CVE-2026-66785HIGHSubmariner: submariner: missing validation of remote endpoint subnets and clusterid enables cross-cluster traffic hijackEPSS 0.2%CVE-2026-47664HIGHPathling: $import-pnp operation enables authenticated SSRF, credential leakage, and warehouse data poisoningEPSS 0.2%CVE-2024-2382MEDIUMAuthorize.net Payment Gateway For WooCommerce <= 8.0 - Insufficient Verification of Data Authenticity to Unauthenticated Payment BypassEPSS 0.2%CVE-2026-111392MEDIUMSGLang through 0.5.21 KV Cache Poisoning via mm_hashes in /generateEPSS 0.2%