High · 7.5 CVE-2025-50735 EUVD-2025-37512GHSA-6p2w-vm5p-8648

Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in it…

Published Nov 3, 2025 · Updated Nov 3, 2025 · Assigned by mitre

Description

Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing to canonicalize or reject dot path segments in its catch-all route, allowing attackers to gain sensitive information via authenticated or anonymous WebDAV endpoints.

References

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts
https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts
https://github.com/fai1424/Vulnerability-Research/tree/main/CVE-2025-50735