PaperclipAI Paperclip 2026.403.0 Workspace Cleanup execution-workspaces cleanupExecutionWorkspaceArtifacts cleanupCommand/teardownCommand os command injection

Summaryinfo

A vulnerability categorized as very critical has been discovered in PaperclipAI Paperclip 2026.403.0. This affects the function cleanupExecutionWorkspaceArtifacts of the file /api/execution-workspaces of the component Workspace Cleanup. Executing a manipulation of the argument cleanupCommand/teardownCommand can lead to os command injection. This vulnerability appears as CVE-2026-119713. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PaperclipAI Paperclip 2026.403.0 and classified as very critical. This vulnerability affects the function cleanupExecutionWorkspaceArtifacts of the file /api/execution-workspaces of the component Workspace Cleanup. The manipulation of the argument cleanupCommand/teardownCommand with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Paperclip 2026.403.0 before 2026.416.0 contains a remote code execution vulnerability that allows agent API key holders to set cleanupCommand and teardownCommand via PATCH /api/execution-workspaces/:id. When the workspace is archived, cleanupExecutionWorkspaceArtifacts runs these commands through a shell as the Paperclip server process, executing attacker-chosen OS commands on the server host.

The advisory is available at github.com. This vulnerability was named CVE-2026-119713 since 10/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/30/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 2026.416.0 eliminates this vulnerability.

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Productinfo

Vendor

• PaperclipAI

Name

• Paperclip

Version

• 2026.403.0

Website

• Product: https://github.com/paperclipai/paperclip/

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