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Critical Paperclip Flaw Enables Full Server Takeover in Six API Calls

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A critical vulnerability, CVE-2026-41679, has been disclosed in Paperclip, an AI agent orchestration platform, affecting all versions prior to 2026.416.0. An unauthenticated attacker with HTTP access to an internet-exposed instance can register an account, self-approve a CLI key, and exploit an unguarded import route to bypass admin-only company creation checks. By embedding a malicious process adapter in a configuration bundle, the attacker can then trigger arbitrary command execution as the server's OS user via Node.js. A secondary local-development attack vector uses DNS rebinding to relay commands through a victim's browser to a loopback Paperclip instance. A patch is available in version 2026.416.0, and administrators are advised to disable open sign-up, restrict API access to private networks, and sandbox process adapters immediately.

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Critical Paperclip Flaw Enables Full Server Takeover in Six API Calls · ShortSingh