CVE-2026-41950

Medium

Description

Dify before version 1.14.0 contains an authorization bypass vulnerability that allows authenticated users to read the full contents of files uploaded by other users within the same tenant by supplying an arbitrary file UUID in the files array of a chat-messages request. Attackers can exploit insufficient permission verification in the chat-messages endpoints to access files without ownership validation, bypassing workspace separation and signed URL protections to retrieve sensitive file contents through workflow processing.

SeverityMedium

CVSS6.5

Exploit probability—

ProductLanggenius Dify

PublishedMay 5, 2026

First seenMay 5, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

langgenius dify1.14.0 or later

Patches

github.com/langgenius/dify/releases/tag/1.14.0

Affected products

Product	Affected versions	Fixed in
langgenius dify	v < 1.14.0	1.14.0

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