infiniflow ragflow up to 0.24.0 Text special elements used in a template engine

Summaryinfo

A vulnerability described as critical has been identified in infiniflow ragflow up to 0.24.0. The affected element is an unknown function of the component Text Handler. Such manipulation leads to improper neutralization of special elements used in a template engine. This vulnerability is uniquely identified as CVE-2026-28797. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in infiniflow ragflow up to 0.24.0 and classified as critical. Affected by this issue is an unknown code block of the component Text Handler. The manipulation with an unknown input leads to a improper neutralization of special elements used in a template engine vulnerability. Using CWE to declare the problem leads to CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. Impacted is confidentiality, integrity, and availability. CVE summarizes:

RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine. In versions 0.24.0 and prior, a Server-Side Template Injection (SSTI) vulnerability exists in RAGFlow's Agent workflow Text Processing (StringTransform) and Message components. These components use Python's jinja2.Template (unsandboxed) to render user-supplied templates, allowing any authenticated user to execute arbitrary operating system commands on the server. At time of publication, there are no publicly available patches.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-28797 since 03/03/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/04/2026). This vulnerability is assigned to T1221 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• infiniflow

Name

• ragflow

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24.0

Website

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

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