CVE-2026-6618

| EUVD-2026-23807 MEDIUM
2026-04-20 VulDB
SSRF
5.3
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

2
CVSS Changed
Apr 20, 2026 - 09:37 NVD
6.3 (MEDIUM) 5.3 (MEDIUM)
Analysis Generated
Apr 20, 2026 - 08:57 vuln.today

DescriptionNVD

A flaw has been found in langgenius dify up to 1.13.3. This issue affects the function parse_openai_plugin_json_to_tool_bundle of the file api/core/tools/utils/parser.py of the component ApiBasedToolSchemaParser. Executing a manipulation of the argument url can lead to server-side request forgery. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Server-side request forgery in Dify up to version 1.13.3 allows authenticated remote attackers to manipulate the URL argument in the ApiBasedToolSchemaParser component, enabling arbitrary HTTP requests from the server to internal or external systems. The vulnerability affects the parse_openai_plugin_json_to_tool_bundle function in api/core/tools/utils/parser.py. …

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CVE-2026-6618 vulnerability details – vuln.today
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