CVE-2026-28797

| EUVD-2026-18876 HIGH
2026-04-03 GitHub_M
8.7
CVSS 4.0
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CVSS Vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
EUVD ID Assigned
Apr 03, 2026 - 22:15 euvd
EUVD-2026-18876
Analysis Generated
Apr 03, 2026 - 22:15 vuln.today
CVE Published
Apr 03, 2026 - 21:41 nvd
HIGH 8.7

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.

Analysis

Server-Side Template Injection in RAGFlow 0.24.0 and earlier allows authenticated users to execute arbitrary OS commands via unsandboxed Jinja2 template rendering in Agent workflow components. The vulnerability affects the Text Processing (StringTransform) and Message components, where user-supplied templates are processed without sandboxing. …

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Remediation

Within 24 hours: Identify all RAGFlow 0.24.0 and earlier deployments and document current user access lists for agent workflow components. Within 7 days: Restrict agent workflow creation and editing permissions to only essential personnel; disable or isolate RAGFlow instances that process sensitive data until patching is available. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2026-28797 vulnerability details – vuln.today

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