Falhas do tipo CWE-915

138 resultados

Modificação descontrolada de atributos dinâmicos de objetos

Ocorre quando a aplicação permite que usuários modifiquem atributos de objetos sem validação adequada, especialmente em linguagens que permitem criar propriedades dinamicamente (como Python, JavaScript, PHP). Um atacante consegue injetar ou sobrescrever atributos críticos — flags de admin, valores monetários, referências internas — alterando o comportamento da aplicação.

Exemplo

Um sistema em Python recebe JSON do usuário e faz `user.__dict__.update(request.json)` para popular dados de perfil. O atacante envia `{"is_admin": true}` e ganha privilégios sem autorização, porque nenhuma validação protege qual atributo pode ser modificado.

Como mitigar

Use listas explícitas de propriedades permitidas (whitelist) para update de objetos. Separe dados de entrada (DTO/schema) de modelos internos, mapeando apenas campos seguros. Nunca faça merge direto de entrada de usuário em atributos de objetos críticos.

CVE-2022-31106HIGHPrototype Pollution in underscore.deepEPSS 1.0%CVE-2026-29063HIGHImmutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutableEPSS 1.0%CVE-2024-55638CRITICALDrupal core - Moderately critical - Gadget chain - SA-CORE-2024-008EPSS 1.0%CVE-2024-3283HIGHPrivilege Escalation via Mass Assignment in mintplex-labs/anything-llmEPSS 0.9%CVE-2024-55636CRITICALDrupal core - Less critical - Gadget chain - SA-CORE-2024-006EPSS 0.9%CVE-2024-57708MEDIUMAn issue in OneTrust SDK v.6.33.0 allows a local attacker to cause a denial of service via the Object.setPrototypeOf, __proto__, and Object.EPSS 0.9%CVE-2026-5708HIGHImproper Control of User-Modifiable Attributes in RES CreateSession APIEPSS 0.8%CVE-2026-33228HIGHflatted: Prototype Pollution via parse()EPSS 0.8%CVE-2026-42033HIGHAxios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request HijackingEPSS 0.8%CVE-2024-55637CRITICALDrupal core - Moderately critical - Gadget chain - SA-CORE-2024-007EPSS 0.8%CVE-2024-0404CRITICALMass Assignment Vulnerability in mintplex-labs/anything-llmEPSS 0.8%CVE-2023-32079HIGHNetmaker Privilige Escalation VulnerabilityEPSS 0.7%CVE-2026-42264HIGHAxios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijackingEPSS 0.7%CVE-2026-47102HIGHLiteLLM < 1.83.10 Privilege Escalation via User UpdateEPSS 0.7%CVE-2025-30358HIGHMesop Class Pollution vulnerability leads to DoS and Jailbreak attacksEPSS 0.6%CVE-2023-0574MEDIUMServer-Side Request ForgeryEPSS 0.6%CVE-2025-69690CRITICALNetgate pfSense CE 2.7.2 allows code execution by using the module installer with a backup file with a serialized PHP object containing the EPSS 0.6%CVE-2026-42041MEDIUMAxios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge StrategyEPSS 0.6%CVE-2026-42044MEDIUMAxios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`EPSS 0.6%CVE-2025-2304CRITICALCamaleon CMS Privilege EscalationEPSS 0.6%