CVE-2026-41950— Dify < 1.14.0 Authorization Bypass via File UUID
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I. Basic Information for CVE-2026-41950
Vulnerability Information
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Vulnerability Title
Dify < 1.14.0 Authorization Bypass via File UUID
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
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 1.14.0之前版本存在安全漏洞，该漏洞源于授权绕过问题，可能导致经过身份验证的用户读取同一租户内其他用户上传的文件完整内容。
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 | 0 ~ 1.14.0 | - |
II. Public POCs for CVE-2026-41950
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Dify < 1.14.0 Authorization Bypass via File UUID | Advisories | VulnCheckthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-41950
IV. Related Vulnerabilities
Same product: dify
- CVE-2026-42138
Dify Vulnerable to Stored XSS via SVG-file upload - CVE-2026-34082
Dify has IDOR in deleting someone else's chat conversation - CVE-2026-6619
langgenius dify ImagePreview image-preview.tsx openInNewTab - CVE-2026-6618
langgenius dify ApiBasedToolSchemaParser parser.py parse_ope - CVE-2026-6617
langgenius dify ApiToolManageService api_tools_manage_servic
Same vendor: langgenius
- CVE-2026-42138
Dify Vulnerable to Stored XSS via SVG-file upload - CVE-2026-34082
Dify has IDOR in deleting someone else's chat conversation - CVE-2026-6619
langgenius dify ImagePreview image-preview.tsx openInNewTab - CVE-2026-6618
langgenius dify ApiBasedToolSchemaParser parser.py parse_ope - CVE-2026-6617
langgenius dify ApiToolManageService api_tools_manage_servic
Same weakness: CWE-639
- CVE-2026-8196
JeecgBoot mLogin Endpoint LoginController.java authorization - CVE-2026-42291
SysReptor: Read-write access to personal notes by sharing-li - CVE-2026-44400
MailEnable Enterprise Premium < 10.55 Authorization Bypass v - CVE-2026-42279
solidtime: Time entry update endpoint allows cross-organizat - CVE-2026-42277
Onyx: IDOR in /chat/file/{file_id} allows any authenticated
V. Comments for CVE-2026-41950
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