CVE-2025-59422— Dify Has Broken Access Control on Log Message Endpoint Allows Reading of Chats of Others
Quick assessment
Affected
langgenius dify
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
dify是LangGenius开源的一个开源的 LLM 应用程序开发平台。 dify 1.8.1版本存在安全漏洞，该漏洞源于/console/api/apps/<APP_ID>chat-messages端点访问控制不当，可能导致同一工作区用户读取其他用户的聊天消息。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-59422
Vulnerability Information
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Vulnerability Title
Dify Has Broken Access Control on Log Message Endpoint Allows Reading of Chats of Others
Source: CVE Program / CVE List V5
Vulnerability Description
Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/<APP_ID>chat-messages?conversation_id=<CONVERSATION_ID>&limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
dify 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dify是LangGenius开源的一个开源的 LLM 应用程序开发平台。 dify 1.8.1版本存在安全漏洞，该漏洞源于/console/api/apps/<APP_ID>chat-messages端点访问控制不当，可能导致同一工作区用户读取其他用户的聊天消息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| langgenius | dify | = 1.8.1 | - |
|
II. Public POCs for CVE-2025-59422
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-59422
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