Mark specific backup objects as clean (no malware).
AI agents use MarkBackupObjectsAsClean to create or update resources in Veeam VBR v13 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Veeam VBR v13 MCP Server environment.
This tool modifies the state of backup objects by marking them as clean, which is a write operation that changes backup metadata. However, it is not destructive (the marking is reversible) and not financial. The severity is high because misuse could allow an AI agent to mark infected backups as clean, bypassing malware detection safeguards and potentially enabling recovery of compromised systems.
From the tool's definition Tool name 'MarkBackupObjectsAsClean' and description 'Mark specific backup objects as clean (no malware)' indicate modification of backup object metadata/status.
Attacks that exploit this kind of access
Mark specific backup objects as clean (no malware). It is categorised as a Write tool in the Veeam VBR v13 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Veeam VBR v13 MCP Server MCP server in PolicyLayer and add a rule for MarkBackupObjectsAsClean: 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 Veeam VBR v13 MCP Server. Nothing to install.
MarkBackupObjectsAsClean is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the MarkBackupObjectsAsClean 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 MarkBackupObjectsAsClean. 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.
MarkBackupObjectsAsClean is provided by the Veeam VBR v13 MCP Server MCP server (kid-boy/veeam-mcp-13). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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