AI agents invoke upgrade_adom to trigger actions in Fortimanager. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
An 'upgrade' operation on an ADOM in FortiManager likely triggers a firmware or configuration upgrade process across managed devices, which is an external operation with significant blast radius. However, since the description is empty, confidence is low. Upgrading ADOMs can affect network infrastructure managed by FortiManager, making it at least Execute-level with high severity if misused.
From the tool's definition Tool name 'upgrade_adom' suggests upgrading an ADOM (Administrative Domain) in FortiManager, but the description is empty and uninformative.
Documented attack patterns abuse exactly the kind of access upgrade_adom gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fortimanager, and nothing reaches the server without passing your rules. This is the rule we recommend for upgrade_adom:
{
"version": "1",
"default": "deny",
"tools": {
"upgrade_adom": {
"limits": [
{
"counter": "upgrade_adom_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}upgrade_adom stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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upgrade_adom. It is categorised as a Execute tool in the Fortimanager MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Fortimanager MCP server in PolicyLayer and add a rule for upgrade_adom: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Fortimanager. Nothing to install.
upgrade_adom is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the upgrade_adom rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for upgrade_adom. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
upgrade_adom is provided by the Fortimanager MCP server (jmpijll/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fortimanager, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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