CVE-2025-50735

high

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/fai1424/Vulnerability-Research/tree/main/CVE-2025-50735

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/utils/cloud/webdav.ts

https://github.com/ChatGPTNextWeb/NextChat/blob/main/app/api/webdav/%5B...path%5D/route.ts

Details

Source: Mitre, NVD

Published: 2025-11-03

Updated: 2025-11-05

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00336