kimi-webbridge
Warn
Audited by Gen Agent Trust Hub on Sep 4, 2026
Risk Level: MEDIUMREMOTE_CODE_EXECUTIONCOMMAND_EXECUTIONDYNAMIC_EXECUTIONINDIRECT_PROMPT_INJECTIONDATA_EXFILTRATION
Full Analysis
- [REMOTE_CODE_EXECUTION]: The operations guide in
references/operations.mdincludes instructions to install the bridge component usingcurl -fsSL https://cdn.kimi.com/webbridge/install.sh | bash.- [COMMAND_EXECUTION]: The skill executes a local binary~/.kimi-webbridge/bin/kimi-webbridgefor status and lifecycle management, and a shell scriptscripts/screenshot.shto capture and process page images.- [DYNAMIC_EXECUTION]: Theevaluatetool allows the agent to execute arbitrary JavaScript within the user's browser session, which can be used to interact with or extract data from complex web applications.- [INDIRECT_PROMPT_INJECTION]: The skill is inherently exposed to indirect prompt injection because it processes content from external websites. \n - Ingestion points: Tools like
snapshot,evaluate, andnetworkingest untrusted data from the web. \n - Boundary markers: No specific delimiters are used to isolate ingested content. \n
- Capability inventory: Extensive capabilities including navigation, form filling, and file creation. \n
- Sanitization: External content is not sanitized before being processed.- [DATA_EXFILTRATION]: By design, the skill operates within the user's browser session and has access to 'actual login sessions.' Tools such as
snapshot,network, andscreenshotcan expose sensitive personal or authentication data to the agent.
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