CVE-2026-28797

RAGFlow: Server-Side Template Injection (SSTI) leading to Remote Code Execution (RCE) in Agent "Text Processing" Component

State: Published
Severity: 8.7 High
Published: Apr 3, 2026
Updated: Apr 6, 2026
Reserved: Mar 3, 2026

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Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	GitHub_M
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-20 Improper Input Validation
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Affected Products

Product	Versions
ragflowinfiniflow	<= 0.24.0Affected

References

https://github.com/infiniflow/ragflow/security/advisories/GHSA-vvwj-fvwh-4whx

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