Directory Traversal Vulnerability in NextChat by ChatGPTNextWeb
CVE-2025-50735

7.5HIGH

Key Information:

Vendor

ChatGPTNextWeb

Status
NextChat
Vendor
CVE Published:
3 November 2025

What is CVE-2025-50735?

A directory traversal vulnerability exists in NextChat, specifically in versions up to 2.16.0, caused by the WebDAV proxy's inability to properly sanitize or reject dot path segments. This flaw allows both authenticated users and anonymous attackers to exploit the catch-all route, potentially leading to unauthorized access to sensitive information stored on the server through WebDAV endpoints.

References

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/...
https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/...
https://github.com/fai1424/Vulnerability-Research/tree/ma...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-50735 : Directory Traversal Vulnerability in NextChat by ChatGPTNextWeb