CVE-2026-41679 Paperclip RCE via API chain pre-2026.416.0
CVE-2026-41679 Published on April 23, 2026
Paperclip Vulnerable to Unauthenticated Remote Code Execution via Import Authorization Bypass
Paperclip is a Node.js server and React UI that orchestrates a team of AI agents to run a business. Prior to version 2026.416.0, an unauthenticated attacker can achieve full remote code execution on any network-accessible Paperclip instance running in `authenticated` mode with default configuration. No user interaction, no credentials, just the target's address. The chain consists of six API calls. The attack is fully automated, requires no user interaction, and works against the default deployment configuration. Version 2026.416.0 patches the issue.
Vulnerability Analysis
CVE-2026-41679 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Types
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2026-41679 has been classified to as an authentification vulnerability or weakness.
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-41679 has been classified to as an AuthZ vulnerability or weakness.
Insecure Default Initialization of Resource
The software initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure.
Affected Versions
paperclipai paperclip:- Version < 2026.410.0 is affected.
- Version < 2026.410.0 is affected.