Weaknesses of type CWE-184

202 results

Lista incompleta de entradas bloqueadas

Ocorre quando um aplicativo tenta bloquear entradas maliciosas usando uma lista de padrões ou valores proibidos, mas a lista é incompleta ou pode ser contornada. Um atacante descobre variações não contempladas (encoding diferente, casos alternativos, caracteres especiais) e consegue passar por uma validação que se supõe segura.

Example

Um formulário bloqueia SQL injection filtrando a palavra 'DROP', mas não 'dr0p', não '/*DROP*/' ou variações com espaços. Um atacante usa uma dessas formas para executar comandos SQL maliciosos que a lista de bloqueio não previu.

How to mitigate

Em vez de listar o que é proibido (blocklist), defina explicitamente o que é permitido (allowlist/whitelist) com validação rígida de formato. Use bibliotecas consolidadas de sanitização e escape específicas para cada contexto (SQL, HTML, JavaScript) — nunca confie em listas de palavras-chave.

CVE-2021-1255MEDIUMCisco Data Center Network Manager REST API VulnerabilitiesEPSS 0.7%CVE-2026-13448HIGHLangflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpointsEPSS 0.7%CVE-2026-69263HIGHFlowise: CVE-2025-8943 Patch Bypass: npm_config_yes bypasses MCP environment variable blocklist (Unauthenticated RCE)EPSS 0.7%CVE-2026-25525MEDIUMOpenMage LTS has Path Traversal Filter Bypass in Dataflow ModuleEPSS 0.7%CVE-2026-77124HIGHNexus Repository 3 - Script Execution Disable Setting Not EnforcedEPSS 0.6%CVE-2026-22609HIGHFickling has Static Analysis Bypass via Incomplete Dangerous Module BlocklistEPSS 0.6%CVE-2026-93598HIGHArcadeDB before 26.9.1 Classpath Credential Disclosure via ResourceBundleEPSS 0.6%CVE-2021-1135MEDIUMCisco Data Center Network Manager REST API VulnerabilitiesEPSS 0.6%CVE-2025-71320CRITICALpicklescan - Remote Code Execution via Incomplete Disallowed InputsEPSS 0.6%CVE-2026-31992HIGHOpenClaw < 2026.2.23 - Allowlist Exec-Guard Bypass via env -SEPSS 0.6%CVE-2026-34177CRITICALVM lowlevel restriction bypass via raw.apparmor and raw.qemu.confEPSS 0.6%CVE-2026-28363CRITICALIn OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option abbreviations (such as --compresEPSS 0.6%CVE-2026-44115HIGHOpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted Heredocs via Exec AllowlistEPSS 0.6%CVE-2026-14534HIGHFickling check_safety() bypass via unlisted standard library modules (_posixsubprocess, site, atexit)EPSS 0.6%CVE-2025-71355HIGHPicklescan - Arbitrary Code Execution via Unsafe Numpy Function Detection BypassEPSS 0.6%CVE-2026-55743CRITICALOpenHuman desktop agent shell tool sandbox bypass leads to arbitrary command executionEPSS 0.6%CVE-2026-48736MEDIUMSymfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClientEPSS 0.6%CVE-2026-87985CRITICALAn arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted argumenEPSS 0.6%CVE-2023-29003HIGHSvelteKit has Insufficient Cross-Site Request Forgery ProtectionEPSS 0.6%CVE-2026-28783CRITICALCraft has a Twig Function Blocklist BypassEPSS 0.5%