Paperclip: Arbitrary File Read via Agent-Controlled adapterConfig.instructionsFilePath
### Summary Paperclip contains an arbitrary file read vulnerability that allows an attacker with an Agent API key to read files from the Paperclip server host filesystem. The vulnerability occurs because agents are allowed to modify their own adapterConfig through the /agents/:id API endpoint. The configuration field adapterConfig.instructionsFilePath is later read directly by the server runtime using fs.readFile(). Because no validation or path restriction is applied, an attacker can supply an arbitrary filesystem path. The Paperclip server then attempts to read that path from the host filesystem during agent execution. This breaks the inten
- Update to 2026.416.0
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