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GHSA-g8p2-7wf7-98mq
No affected components available
Summary
The Control UI trusts gatewayUrl from the query string without validation and auto-connects on load, sending the stored gateway token in the WebSocket connect payload.
Clicking a crafted link or visiting a malicious site can send the token to an attacker-controlled server. The attacker can then connect to the victim's local gateway, modify config (sandbox, tool policies), and invoke privileged actions, achieving 1-click RCE. This vulnerability is exploitable even on instances configured to listen on loopback only, since the victim's browser initiates the outbound connection.
Details
The root cause is the lack of validation for gatewayUrl combined with auto‑connect behavior on page load. With the change users now need to confirm the new gateway URL in the UI.
Impact
This is a token exfiltration vulnerability that leads to full gateway compromise. It impacts any Moltbot deployment where a user has authenticated to the Control UI. The attacker gains operator-level access to the gateway API, enabling arbitrary config changes and code execution on the gateway host. The attack works even when the gateway binds to loopback because the victim's browser acts as the bridge.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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