aether-ai-agent
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749e28dec7
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fix(security): block dangerous tools from HTTP gateway and fix ACP auto-approval (OC-02)
Two critical RCE vectors patched:
Vector 1 - Gateway HTTP /tools/invoke:
- Add DEFAULT_GATEWAY_HTTP_TOOL_DENY blocking sessions_spawn,
sessions_send, gateway, whatsapp_login from HTTP invocation
- Apply deny filter after existing policy cascade, before tool lookup
- Add gateway.tools.{allow,deny} config override in GatewayConfig
Vector 2 - ACP client auto-approval:
- Replace blind allow_once selection with danger-aware permission handler
- Dangerous tools (exec, sessions_spawn, etc.) require interactive confirmation
- Safe tools retain auto-approve behavior (backward compatible)
- Empty options array now denied (was hardcoded "allow")
- 30s timeout auto-denies to prevent hung sessions
CWE-78 | CVSS:3.1 9.8 Critical
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2026-02-13 14:30:06 +01:00 |
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