Infiniflow Ragflow up to 0.27.2 Agent completions UserCanvasService.accessible access control

Summaryinfo

A vulnerability categorized as critical has been discovered in Infiniflow Ragflow up to 0.27.2. Affected by this vulnerability is the function UserCanvasService.accessible of the file /api/v1/agents/chat/completions of the component Agent. Such manipulation leads to access control. This vulnerability is traded as CVE-2026-119337. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Infiniflow Ragflow up to 0.27.2. Affected by this issue is the function UserCanvasService.accessible of the file /api/v1/agents/chat/completions of the component Agent. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine. From 0.25.2 until 0.27.3, POST /api/v1/agents/chat/completions invokes completion_openai and returns through the openai-compatible branch before UserCanvasService.accessible() checks whether the caller may access the requested agent. An authenticated user who knows another user's private agent UUID can execute that Only me workflow and read its output across the user or tenant boundary; configured tools may also cause side effects, but stronger impacts were not demonstrated. This issue is fixed in version 0.27.3.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-119337 since 10/29/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 0.27.3 eliminates this vulnerability.

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Productinfo

Vendor

• Infiniflow

Name

• Ragflow

Version

• 0.27.0
• 0.27.1
• 0.27.2

Website

• Product: https://github.com/infiniflow/ragflow/

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