CVE-2026-105761

Dify: IDOR in AppMCPServer PUT Endpoint Allows Modification of Other Apps' MCP Servers

Published Oct 5, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Dify is an open-source LLM app development platform. Prior to 1.16.0, the PUT /console/api/apps/&lt;app_id&gt;/server endpoint in api/controllers/console/app/mcp_server.py used AppMCPServerController.put() to retrieve an AppMCPServer by the client-supplied server ID without verifying that the server belonged to the requested application and tenant. An authenticated workspace member could therefore change another application's MCP server status and parameters, potentially redirecting data or disabling the service. This issue is fixed in version 1.16.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Langgenius
Langgenius dify
Vendors & Products Langgenius
Langgenius dify
Type Values Removed Values Added
Description Dify is an open-source LLM app development platform. Prior to 1.16.0, the PUT /console/api/apps/&lt;app_id&gt;/server endpoint in api/controllers/console/app/mcp_server.py used AppMCPServerController.put() to retrieve an AppMCPServer by the client-supplied server ID without verifying that the server belonged to the requested application and tenant. An authenticated workspace member could therefore change another application's MCP server status and parameters, potentially redirecting data or disabling the service. This issue is fixed in version 1.16.0.
Title Dify: IDOR in AppMCPServer PUT Endpoint Allows Modification of Other Apps' MCP Servers
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Oct 6, 2026, 2:47 PM
Reserved
Oct 5, 2026, 7:11 PM
Status
Deferred
Published
Oct 5, 2026, 11:17 PM
Modified
Oct 6, 2026, 4:08 PM